110-848: Silicon Valley is a region in Northern California that is a global center for high technology and innovation . Located in the southern part of the San Francisco Bay Area , it corresponds roughly to the geographical area of the Santa Clara Valley . The term "Silicon Valley" refers to the area in which high-tech business has proliferated in Northern California, and it also serves as a general metonym for California's high-tech business sector. The cities of Sunnyvale , Mountain View , Palo Alto and Menlo Park are frequently cited as
220-521: A synecdoche for the American high-technology economic sector . The name also became a global synonym for leading high-tech research and enterprises, and thus inspired similarly named locations , as well as research parks and technology centers with comparable structures all around the world. Many headquarters of tech companies in Silicon Valley have become hotspots for tourism . "Silicon" refers to
330-725: A financial and cultural center. Substantial tensions during this era included nativist sentiments (primarily against Chinese immigrants), tensions between the increasing power of the Southern Pacific Railroad and small farmers, and the beginnings of the labor union movement. Northern California's economy is noted for being the de facto world leader in high-tech industry ( software , semiconductor /micro-electronics, biotechnology and medical devices /instruments), as well as being known for clean power , biomedical, government, and finance. Other significant industries include tourism, shipping, manufacturing, and agriculture. Its economy
440-577: A major component of the area's economy, Silicon Valley has been most famous in recent years for innovations in software and Internet services. Silicon Valley has significantly influenced computer operating systems, software , and user interfaces. Using money from NASA , the US Air Force , and ARPA , Douglas Engelbart invented the mouse and hypertext-based collaboration tools in the mid-1960s and 1970s while at Stanford Research Institute (now SRI International), first publicly demonstrated in 1968 in what
550-474: A major trading post just north of today's Portland, Oregon . British fur trappers and hunters then used the Siskiyou Trail to travel throughout northern California. The leader of a further French scientific expedition to northern California, Eugene Duflot de Mofras , wrote in 1840 " ...it is evident that California will belong to whatever nation chooses to send there a man-of-war and two hundred men ." By
660-625: A part of the Bay Area, in recent years the Bay Area has drawn more commuters from as far as Central Valley cities such as Sacramento , Stockton , Fresno , Turlock and Modesto . These cities in the central part of the Central Valley and Sierra Nevada foothills may be viewed as part of a single megalopolis . The 2010 U.S. Census showed that the Bay Area grew at a faster rate than the Greater Los Angeles Area while Greater Sacramento had
770-535: A result of the high technology sector, the San Jose-Sunnyvale-Santa Clara, CA Metropolitan Statistical Area has the most millionaires and the most billionaires in the United States per capita, although the venture capital ecosystem has grown more geographically decentralized over time. The region is the biggest high-tech manufacturing center in the United States. The unemployment rate of the region
880-769: A revolt and seized the small Mexican garrison in Sonoma. They raised the " Bear Flag " of the California Republic over Sonoma. The "Bear Flag Republic" lasted only 26 days, until the U.S. Army, led by John Frémont , took over on July 9. The California state flag today is based on this original Bear Flag, and continues to contain the words "California Republic." Commodore John Drake Sloat ordered his naval forces to occupy Yerba Buena (present San Francisco ) on July 7 and within days American forces controlled San Francisco, Sonoma, and Sutter's Fort in Sacramento. The treaty ending
990-568: A single-person household was $ 14,891. Thousands of high technology companies are headquartered in Silicon Valley. Among those, the following are in the Fortune 1000 : Additional notable companies headquartered in Silicon Valley (some of which are defunct, subsumed, or relocated) include: Silicon Valley has a population of 3.1 million as of 2020. A 1999 study by AnnaLee Saxenian for the Public Policy Institute of California reported that
1100-579: A table while a deal was being discussed?" Silicon Valley firms' board of directors are composed of 15.7% women compared with 20.9% in the S&;P 100. The 2012 lawsuit Pao v. Kleiner Perkins was filed in San Francisco County Superior Court by executive Ellen Pao for gender discrimination against her employer, Kleiner Perkins . The case went to trial in February 2015. On March 27, 2015,
1210-460: A third of Silicon Valley scientists and engineers were immigrants and that nearly a quarter of Silicon Valley's high-technology firms since 1980 were run by Chinese (17 percent) or Indian descent CEOs (7 percent). There is a stratum of well-compensated technical employees and managers, including tens of thousands of "single-digit millionaires". This income and range of assets will support a middle-class lifestyle in Silicon Valley. In November 2006,
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#17330933232681320-452: Is a geographic and cultural region that comprises the northern portion of the U.S. state of California , spanning the northernmost 48 of the state's 58 counties . Northern California in its largest definition is determined by dividing the state into two regions, the other being Southern California . The main northern population centers include the San Francisco Bay Area (anchored by the cities of San Jose , San Francisco , and Oakland ),
1430-590: Is also home to one of the largest Air Force Bases on the West Coast, and the largest in California by square meters, Travis Air Force Base . Northern California's largest metropolitan area is the San Francisco Bay Area which consists of 9 counties: Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, Santa Clara, Solano, and Sonoma counties. The Bay Area consists of the major cities of San Jose , San Francisco , Oakland , and their many suburbs . Although not
1540-606: Is also represented in the number of new companies founded by women as well as the number of women-lead startups that receive venture capital funding. Wadhwa said he believes that a contributing factor is a lack of parental encouragement to study science and engineering. He also cited a lack of women role models and noted that most famous tech leaders—like Bill Gates , Steve Jobs , and Mark Zuckerberg —are men. As of October 2014, some high-profile Silicon Valley firms were working actively to prepare and recruit women. Bloomberg reported that Apple, Facebook, Google, and Microsoft attended
1650-566: Is diverse, though more concentrated in high technology. It is home to the state capital, as well as several Western United States regional offices in San Francisco, such as the Federal Reserve and 9th Circuit Court . Northern California has a warm or mild to cool climate, in which the Sierra mountains gets snow in the late fall through winter and occasionally into spring. Summers are mild along
1760-759: Is now known as The Mother of All Demos . Engelbart's Augmentation Research Center at SRI was also involved in launching the ARPANET (precursor to the Internet ) and starting the Network Information Center (now InterNIC ). Xerox hired some of Engelbart's best researchers beginning in the early 1970s. In turn, in the 1970s and 1980s, Xerox's Palo Alto Research Center (PARC) played a pivotal role in object-oriented programming, graphical user interfaces (GUIs), Ethernet , PostScript , and laser printers . While Xerox marketed equipment using its technologies, for
1870-434: Is often considered as having an additional division north of the urban areas of the San Francisco Bay Area and Sacramento metropolitan areas. Extreme northern residents have felt under-represented in state government and, in 1941, attempted to form a new state with southwestern Oregon to be called Jefferson , or more recently to introduce legislation to split California into two or three states . The coastal area north of
1980-489: The Brookings Institution . As of June 2021, it also had the highest percentage of homes valued at $ 1 million or more in the United States. Silicon Valley is home to many of the world's largest high-tech corporations , including the headquarters of more than 30 businesses in the Fortune 1000 , and thousands of startup companies . Silicon Valley also accounts for one-third of all of the venture capital investment in
2090-598: The California state quarter . Other prominent parks are the Kings Canyon - Sequoia National Park complex, Redwood National Park , Pinnacles National Park , Lassen Volcanic National Park and the largest in the contiguous forty-eight states, Death Valley National Park . Other areas under federal protection include Muir Woods National Monument , Giant Sequoia National Monument , Devils Postpile National Monument , Lava Beds National Monument , Point Reyes National Seashore ,
2200-543: The Central Valley , one of the world's most productive agricultural regions. Northern California is also home to Silicon Valley , the global headquarters for some of the most powerful tech and Internet-related companies in the world, including Meta , Apple , Google , and Nvidia . The Northern California Megaregion , one of the 11 megaregions of the United States is centered in Northern California, and extends from Metropolitan Fresno north to Greater Sacramento, and from
2310-464: The Cold War –era expansion of the defense industry. Since the 2000 U.S. Census, Northern California has grown at a faster rate than Southern California due to the strong economic performances of the Bay Area and Sacramento. The U.S. National Park System controls a large and diverse group of parks in northern California. The best known is Yosemite National Park , which is displayed on the reverse side of
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#17330933232682420-856: The Greater Sacramento area (anchored by the state capital Sacramento ), the Redding, California , area south of the Cascade Range , and the Metropolitan Fresno area (anchored by the city of Fresno ). Northern California also contains redwood forests, along with most of the Sierra Nevada , including Yosemite Valley and part of Lake Tahoe , Mount Shasta (the second-highest peak in the Cascade Range after Mount Rainier in Washington ), and most of
2530-717: The MITS Altair microcomputer, the first unit sent to the area for review by People's Computer Company . Steve Wozniak and Steve Jobs credit that first meeting with inspiring them to design the original Apple I and (successor) Apple II computers. As a result, the first preview of the Apple I was given at the Homebrew Computer Club. Subsequent meetings were held at an auditorium at the Stanford Linear Accelerator Center . Although semiconductors are still
2640-812: The Missouri Compromise . But instead, the passing of the Compromise of 1850 enabled California to be admitted to the Union as a free state . The decades following the Gold Rush brought dramatic expansion to northern California, both in population and economically – particularly in agriculture. The completion of the First transcontinental railroad in 1869, with its terminus in Sacramento (and then later, Oakland), meant that northern California's agricultural produce (and some manufactured goods) could now be shipped economically to
2750-731: The Monterey Bay National Marine Sanctuary , and the Cordell Bank and Gulf of the Farallones National Marine Sanctuaries (both off the coast of San Francisco). Included within the latter National Marine Sanctuary is the Farallon National Wildlife Refuge ; this National Wildlife Refuge is one of approximately twenty-five such refuges in northern California. National forests occupy large sections of northern California, including
2860-735: The Rosie the Riveter World War II Home Front National Historical Park in Richmond , and the Tule Lake National Monument outside of Tulelake . Northern California hosts a number of world-renowned universities including Stanford University and University of California, Berkeley . Top-tier public graduate schools include Boalt Hall and Hastings law schools and UC San Francisco (a top-ranked medical school) and UC Davis School of Veterinary Medicine ,
2970-710: The Shasta tribe in the north, to the Miwoks in the central coast and Sierra Nevada, to the Yokuts of the southern Central Valley, northern California was among the most densely populated areas of pre-Columbian North America. The first European to explore the coast was Juan Rodríguez Cabrillo , sailing for the Spanish Crown; in 1542, Cabrillo's expedition sailed perhaps as far north as the Rogue River in today's Oregon . Beginning in 1565,
3080-622: The Shasta–Trinity , Klamath , Modoc , Lassen , Mendocino , Eldorado , Tahoe , and Sequoia national forests, among others. Included within (or adjacent to) national forests are federally protected wilderness areas, including the Trinity Alps , Castle Crags , Granite Chief , and Desolation wilderness areas. In addition, the California Coastal National Monument protects all islets, reefs, and rock outcroppings from
3190-537: The Shockley diode ), but the design was considerably more difficult to build than the "simple" transistor. In 1957, Shockley decided to end research on the silicon transistor. As a result of Shockley's abusive management style, eight engineers left the company to form Fairchild Semiconductor ; Shockley referred to them as the " traitorous eight ". Two of the original employees of Fairchild Semiconductor, Robert Noyce and Gordon Moore , would go on to found Intel . Following
3300-546: The Siskiyou Trail from missions in northern California to British and American settlements in Oregon . Although a small number of American traders and trappers had lived in northern California since the early 1830s, the first organized overland party of American immigrants to arrive in northern California was the Bartleson-Bidwell Party of 1841 via the new California Trail . Also in 1841, an overland exploratory party of
3410-575: The Spanish mission at Monterey was the first European settlement in the area, followed by other missions along the coast—eventually extending as far north as Sonoma County . Northern California is not a formal geographic designation. Historically, the state was divided by the Tehachapi Mountains which was a barrier to travelers before highways were built, and remains a bioregion barrier. This geographical barrier curves from Point Conception at
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3520-609: The Stanford Industrial Park (later Stanford Research Park ). Terman invited only high-technology companies. The first tenant was Varian Associates , founded by Stanford alumni in the 1930s to build military-radar components. Terman also found venture capital for civilian-technology start-ups. Hewlett-Packard became one of the major success-stories. Founded in 1939 in Packard's garage by Stanford graduates Bill Hewlett and David Packard , Hewlett-Packard moved its offices into
3630-525: The Summer of Love , winemaking , the cradle of the international environmental movement, and the open, casual workplace first popularized in the Silicon Valley dot-com boom and now widely in use around the world. Other examples of innovation across diverse fields range from Genentech (development and commercialization of genetic engineering) to CrossFit as a pioneer in extreme human fitness and training. It
3740-654: The United States Exploring Expedition came down the Siskiyou Trail from the Pacific Northwest. In 1846, the Donner Party earned notoriety as they struggled to enter northern California. When the Mexican–American War was declared on May 13, 1846, it took almost two months (mid-July 1846) for word to get to California. On June 14, 1846, some 30 non-Mexican settlers, mostly Americans, staged
3850-685: The University of California, Davis released a report analyzing business leadership by women within the state. The report showed that although 103 of the 400 largest public companies headquartered in California were located in Santa Clara County (the most of all counties), only 8.8% of Silicon Valley companies had women CEOs. This was the lowest percentage in the state. (San Francisco County had 19.2% and Marin County had 18.5%.) Silicon Valley tech leadership positions are occupied almost exclusively by men. This
3960-469: The chemical element used in silicon -based transistors and integrated circuit chips, which is the focus of a large number of computer hardware and software innovators and manufacturers in the region. The popularization of the name is often credited to Don Hoefler , the first journalist to use the term in a news story. His article "Silicon Valley U.S.A." was published in the January 11, 1971, issue of
4070-414: The 1830s, a significant number of non- Californios had immigrated to northern California. Chief among these was John Sutter , a European immigrant from Switzerland , who was granted 48,827 acres (197.60 km ) centered on the area of today's Sacramento . American trappers began entering northern California in the 1830s. In 1834, American visionary Ewing Young led a herd of horses and mules over
4180-460: The 1959 inventions of the monolithic integrated circuit (IC) chip by Robert Noyce at Fairchild, the first commercial MOS IC was introduced by General Microelectronics in 1964. The first single-chip microprocessor was the Intel 4004 , designed and realized by Federico Faggin along with Ted Hoff , Masatoshi Shima and Stanley Mazor at Intel in 1971. In April 1974, Intel released the Intel 8080 ,
4290-667: The 20th annual Grace Hopper Celebration of Women in Computing conference to actively recruit and potentially hire female engineers and technology experts. The same month, the second annual Platform Summit was held to discuss increasing racial and gender diversity in tech. As of April 2015 experienced women were engaged in creation of venture capital firms which leveraged women's perspectives in funding of startups. After UC Davis published its Study of California Women Business Leaders in November 2006, some San Jose Mercury News readers dismissed
4400-506: The Bay Area east across the Nevada state line to encompass the entire Lake Tahoe – Reno area. Evidence of Native American habitation in the area dates from at least 19,000 years ago and successive waves of arrivals led to one of the most densely populated areas of pre-Columbian North America. The arrival of European explorers from the early 16th to the mid-18th centuries did not establish European settlements in northern California. In 1770,
4510-540: The Bay Area is often referred to as the North Coast , touching the counties of Mendocino , Lake , Humboldt , and Del Norte . The interior region north of Sacramento metropolitan area is referred to by locals as the Northstate , consisting of about 20 counties. "Northern California" was used by Tim Draper as the name of the northernmost state to be created by splitting California into three new states. The bill, Cal 3 ,
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4620-422: The Central Valley, as well as Fresno and Visalia on the southern end. Though smaller in each case, with the notable exception of Fresno , than the larger cities of the general region, these smaller regional centers are often of historical and economic importance for their respective size, due to their locations, which are primarily rural or otherwise isolated. Inhabited for millennia by Native Americans , from
4730-699: The FAA: Peninsula Times Tribune The Peninsula Times Tribune was a daily newspaper serving Palo Alto , Redwood City , and neighboring cities in the San Francisco Peninsula of California . It was published by the Tribune Newspaper Company from 1979 to 1993. The Times Tribune was the result of a 1979 merger between the Palo Alto Times (which began publication in 1893 or 1894) and
4840-444: The Gold Rush era (52%) came during the 1940s, as the region was the destination of many post-War veterans and their families, attracted by the greatly expanding industrial base and (often) by their time stationed in northern California during World War II . The largest absolute increase occurred during the 1980s (over 2.1 million person increase), attracted by job opportunities in part by the expansion taking place in Silicon Valley and
4950-617: The Internet became practical and grew slowly throughout the early 1990s. In 1995, commercial use of the Internet grew substantially and the initial wave of internet startups, Amazon.com , eBay , and the predecessor to Craigslist began operations. Silicon Valley is generally considered to have been the center of the dot-com bubble , which started in the mid-1990s and collapsed after the NASDAQ stock market began to decline dramatically in April 2000. During
5060-574: The Mexican–American War was signed on February 2, 1848, and Mexico formally ceded Alta California (including all of present-day northern California) to the United States. The California Gold Rush took place almost exclusively in northern California from 1848 to 1855. It began on January 24, 1848, when gold was discovered at Sutter's Mill in Coloma . News of the discovery soon spread, resulting in some 300,000 people coming to California from
5170-402: The Pacific Ocean eastward through Mount Pinos , Tejon Pass and Tehachapi Pass , then cuts northward through the Sierra Nevada mountain range to Mount Patterson and the Nevada border. The Mojave Desert and the Great Basin Desert are separated from Northern California by mountain ranges in this definition of bioregions. California's north–south midway division is around 37°N , near
5280-409: The Russian state-sponsored Russian-American Company established Fort Ross , a fur trading outpost on the coast of today's Sonoma County . Fort Ross was the southernmost Russian settlement, located some 60 miles (97 km) north of Spanish colonies in San Francisco. In 1839, the settlement was abandoned due to its inability to meet resource demands, and the increasing Mexican and American presence in
5390-400: The Santa Clara Valley, and then north towards the Bay Area's two other major cities, San Francisco and Oakland , the term "Silicon Valley" came to have two definitions: a narrower geographic one, referring to Santa Clara County and southeastern San Mateo County , and a metonymical definition referring to high-tech businesses in the entire Bay Area. The term Silicon Valley is often used as
5500-476: The Spanish Manila galleons crossed the Pacific Ocean from Mexico to the Spanish Philippines , with silver and gemstones from Mexico. The Manila galleons returned across the northern Pacific, and reached North America usually off the coast of northern California, and then continued south with their Asian trade goods to Mexico. In 1579, northern California was visited by the English explorer Sir Francis Drake who landed north of today's San Francisco and claimed
5610-432: The Stanford Research Park shortly after 1953. In 1954 Stanford originated the Honors Cooperative Program to allow full-time employees of the companies to pursue graduate degrees from the university on a part-time basis. The initial companies signed five-year agreements in which they would pay double the tuition for each student in order to cover the costs. Hewlett-Packard has become the largest personal-computer manufacturer in
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#17330933232685720-410: The U.S. patents for Poulsen arc radio transmission technology and founded the Federal Telegraph Corporation (FTC) in Palo Alto . Over the next decade, the FTC created the world's first global radio communication system, and signed a contract with the Navy in 1912. In 1933, Air Base Sunnyvale , California, was commissioned by the United States Government for use as a Naval Air Station (NAS) to house
5830-504: The United States, which has helped it to become a leading hub and startup ecosystem for high-tech innovation, although the tech ecosystem has recently become more geographically dispersed. It was in Silicon Valley that the silicon-based integrated circuit , the microprocessor , and the microcomputer , among other technologies, were developed. As of 2021, the region employed about a half million information technology workers. As more high-tech companies were established across San Jose and
5940-456: The United States. A 2023 report found that the aggregate household wealth of Silicon Valley (including ultra-high net worth individuals ) was nearly $ 1.1 trillion, and less than 1% of the Valley's population held 36% of the wealth. Conversely, as of 2021, 23% of Silicon Valley residents were living below the poverty line . However, the meaning of the term "poverty" is dependent upon context; in Silicon Valley, it means something different because of
6050-545: The Valley's mysterious ways, their lawyer often served as their first coach, mentor, teacher, friend, and cheerleader who helped connect them to the Valley's startup ecosystem. As of 2022, the San Jose-Sunnyvale-Santa Clara metropolitan area had the highest average wage for lawyers in the United States, at $ 267,840. The Homebrew Computer Club was an informal group of electronic enthusiasts and technically minded hobbyists who gathered to trade parts, circuits , and information pertaining to DIY construction of computing devices. It
6160-501: The airship USS Macon in Hangar One . The station was renamed NAS Moffett Field , and between 1933 and 1947, U.S. Navy blimps were based there. A number of technology firms had set up shop in the area around Moffett Field to serve the Navy. When the Navy gave up its airship ambitions and moved most of its west coast operations to San Diego , the National Advisory Committee for Aeronautics (NACA, forerunner of NASA ) took over portions of Moffett Field for aeronautics research. Many of
6270-412: The area for England. In 1602, the Spaniard Sebastián Vizcaíno explored California's coast as far north as Monterey Bay , where he went ashore. Other Spanish explorers sailed along the coast of northern California for the next 150 years, but no settlements were established. The first European inhabitants were Spanish missionaries, who built missions along the California coast. The mission at Monterey
6380-422: The area's high-tech firms. Frederick Terman , as Stanford University's dean of the school of engineering from 1946, encouraged faculty and graduates to start their own companies. In 1951 Terman spearheaded the formation of Stanford Industrial Park (now Stanford Research Park , an area surrounding Page Mill Road , south west of El Camino Real and extending beyond Foothill Expressway to Arastradero Road), where
6490-441: The availability of venture capital exploded after the successful $ 1.3 billion IPO of Apple Computer in December 1980. Since the 1980s, Silicon Valley has been home to the largest concentration of venture capital firms in the world. In 1971, Don Hoefler traced the origins of Silicon Valley firms, including via investments from Fairchild 's eight co-founders. The key investors in Kleiner Perkins and Sequoia Capital were from
6600-410: The basis for many electronic developments for decades. Both Frederick Terman and William Shockley are often called "the father of Silicon Valley". Unlike many other researchers who used germanium as the semiconductor material, Shockley believed that silicon was the better material for making transistors. Shockley intended to replace the current transistor with a new three-element design (today known as
6710-401: The birthplace of Silicon Valley. San Jose is Silicon Valley's largest city, the third-largest in California , and the 13th-most populous in the United States . Other major Silicon Valley cities include Santa Clara , Redwood City and Cupertino . The San Jose Metropolitan Area has the third-highest GDP per capita in the world (after Zürich , Switzerland and Oslo , Norway ), according to
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#17330933232686820-463: The bubble era, real estate prices reached unprecedented levels. For a brief time, Sand Hill Road was home to the most expensive commercial real estate in the world, and the booming economy resulted in severe traffic congestion . The PayPal Mafia is sometimes credited with inspiring the re-emergence of consumer-focused Internet companies after the dot-com bust of 2001. After the dot-com crash, Silicon Valley continues to maintain its status as one of
6930-464: The chemicals used in the manufacture of integrated circuits . Technical, engineering, design, and administrative staffs were in large part well compensated. Silicon Valley has a severe housing shortage , caused by the market imbalance between jobs created and housing units built: from 2010 to 2015, many more jobs have been created than housing units built. (400,000 jobs, 60,000 housing units) This shortage has driven home prices extremely high, far out of
7040-520: The coast and generally warm and dry, while winters are cool and usually wet. The high temperatures range from 50s °F (10–15 °C) to 30s °F (−1 – +4 °C) in the winters while summers temperature range is 90s °F (32–37 °C) to 60s °F (15–20 °C) or 50s °F (10–15 °C), with highs well into the 100s °F (37–42 °C) for the Sacramento region. Snow covers the mountains (generally above 3,000 feet (910 m)) in mid January through February. Fog occurs infrequently or occurs normally in
7150-400: The coasts. The Gold Rush also had negative effects: American colonists chose to use genocide as a tool to remove the Indigenous people so that they could look for gold on their land. The Gold Rush also increased pressure to make California a U.S. state . Pro-slavery politicians initially attempted to permanently divide northern and southern California at 36 degrees, 30 minutes, the line of
7260-481: The development of world-famous and online business models (such as Apple , Hewlett-Packard , Google , Yahoo! , and eBay ), northern California has been at the forefront of new ways of doing business. In science, advances range from being the first to isolate and name fourteen transuranic chemical elements , to breakthroughs in microchip technology. Cultural contributions include the works of Ansel Adams , George Lucas , and Clint Eastwood , as well as beatniks ,
7370-664: The diversity hire. He described being isolated from his team, and constantly having to prove he could do the job he was hired for. In 2014, tech companies Google , Yahoo! , Facebook , Apple , and others, released corporate transparency reports that offered detailed employee breakdowns. In May, Google said 17% of its tech employees worldwide were women, and, in the U.S., 1% of its tech workers were black and 2% were Hispanic/Latino . June 2014 brought reports from Yahoo! and Facebook. Yahoo! said that 15% of its tech jobs were held by women, 2% of its tech employees were black and 4% Hispanic. Facebook reported that 15% of its tech workforce
7480-462: The early 1980s, at the time of the introduction of the IBM PC and numerous related hardware and software products to the consumer market. The urbanized area is built upon an alluvial plain within a longitudinal valley formed by roughly parallel earthquake faults. The area between the faults subsided into a graben or dropped valley. Hoefler defined Silicon Valley as the urbanized parts of "the San Francisco Peninsula and Santa Clara Valley". Before
7590-562: The expansive growth of the tech industry, the region had been the largest fruit-producing and packing region in the world up through the 1960s, with 39 fruit canneries. The nickname it had been known as during that period was "the Valley of Heart’s Delight". Silicon Valley was born through the intersection of several contributing factors, including a skilled science research base housed in area universities, plentiful venture capital , permissive government regulation, and steady U.S. Department of Defense spending. Stanford University ’s leadership
7700-457: The first quarter of 2023. More traditional industries also recognize the potential of high-tech development, and several car manufacturers have opened offices in Silicon Valley to capitalize on its entrepreneurial ecosystem . Manufacture of transistors was for a long time the core industry in Silicon Valley. The workforce was for the most part composed of Asian and Latino immigrants who were paid low wages and worked in hazardous conditions due to
7810-470: The four original nodes that comprised ARPANET , predecessor to the Internet . By the early 1970s, there were many semiconductor companies in the area, computer firms using their devices, and programming and service companies serving both. Industrial space was plentiful and housing was still inexpensive. Growth during this era was fueled by the emergence of venture capital on Sand Hill Road , beginning with Kleiner Perkins and Sequoia Capital in 1972;
7920-478: The high cost of living to the success of the industries in this region. Although, this rift between high and low salaries is driving many residents out who can no longer afford to live there. In the Bay Area , the number of residents planning to leave within the next several years has had an increase of 35% since 2016, from 34% to 46%. The wealth inequality in Silicon Valley is more pronounced than in any other region of
8030-503: The high-tech industry needed to protect its intellectual property. During the 1970s, lawyers began to follow venture capitalists down the Peninsula to serve the booming high-tech industry in Silicon Valley. As of 1999, there were 2,400 lawyers practicing law in Palo Alto, a city of only 50,000 people, "the densest concentration of lawyers" in the United States outside of Washington, D.C. By
8140-637: The jury found in favor of Kleiner Perkins on all counts. Nevertheless, the case, which had wide press coverage, resulted in major advances in consciousness of gender discrimination on the part of venture capital and technology firms and their women employees. Two other cases have been filed against Facebook and Twitter. A 2017 study showed that white males made up the majority of higher positions, with 58.7% holding executive positions and 46.5% being managers. The second highest position holders were Asian men, with 16.3% having executive positions and 17.9% being managers. African/Black and Hispanic/Latino people had
8250-542: The knowledge they gained from their previous employer. This gave Silicon Valley an advantage over other American tech hubs such as Massachusetts Route 128 curving around Boston . The San Francisco Bay Area had long been a major site of United States Navy research and technology. In 1909, Charles Herrold started the first radio station in the United States with regularly scheduled programming in San Jose . Later that year, Stanford University graduate Cyril Elwell purchased
8360-404: The largest concentration of high-tech companies in the United States, at 387,000 high-tech jobs, of which Silicon Valley accounts for 225,300 high-tech jobs. Silicon Valley has the highest concentration of high-tech workers of any metropolitan area, with 285.9 out of every 1,000 private-sector workers. Silicon Valley has the highest average high-tech salary in the United States at $ 144,800. Largely
8470-401: The largest growth rate of any metropolitan area in California. The state's larger inland cities are considered part of Northern California in cases when the state is divided into two parts. Key cities in the region which are not in major metropolitan areas include Eureka on the far North Coast , Redding , at the northern end of the Central Valley, Chico , and Yuba City in the mid-north of
8580-561: The largest veterinary school in the United States. (Partial list) (Partial list) The following regions are entirely or partly within northern California: Northern California is home to three of the state's four extended metropolitan areas , which are home to over three-fourths of the region's population as of the 2010 United States Census : The following are major central business districts: See also articles: See also categories: There are 11 airports in Northern California categorized as Primary Service Commercial airports by
8690-399: The level of Morgan Hill and Chowchilla . (The geographic center of California is at 37°09′58″N 119°26′58″W / 37.16611°N 119.44944°W / 37.16611; -119.44944 near North Fork , northeast of Fresno. ) Popularly, though, "Northern California" usually refers to the state's northernmost 48 counties. Because of California's large size and diverse geography,
8800-529: The lowest percentages in all categories. Harvard Business Review published an article in 2018 discussing diversity and inclusion and gave statistics on black employees along with advice to future black technicians. LeRon L. Barton, a black man who spent over two decades in Tech, gave an insight on his work experiences. He said he saw no one who looked like him in his profession and said he received many comments that he believed disregarded his skill such as being called
8910-504: The main and essential medium of informational interaction for governments, institutions, corporations, and individuals. As head of IPTO from 1962 to 1964, "Licklider initiated three of the most important developments in information technology: the creation of computer science departments at several major universities, time-sharing, and networking." In 1969, the Stanford Research Institute (now SRI International), operated one of
9020-458: The most part its technologies flourished elsewhere. The diaspora of Xerox inventions led directly to 3Com and Adobe Systems , and indirectly to Cisco , Apple Computer , and Microsoft . Apple's Macintosh GUI was largely a result of Steve Jobs ' visit to PARC and the subsequent hiring of key personnel. Cisco's impetus stemmed from the need to route a variety of protocols over Stanford University 's Ethernet campus network . Commercial use of
9130-531: The northern California coast by Spain. By 1820, Spanish influence extended inland approximately 25 to 50 miles (80 km) from the missions. Outside of this zone, perhaps 200,000 to 250,000 Native Americans continued to lead traditional lives. The Adams-Onís Treaty , signed in 1819 between Spain and the young United States, set the northern boundary of the Spanish claims at the 42nd parallel, effectively creating today's northern boundary of northern California. In 1812,
9240-404: The original companies stayed, while new ones moved in. The immediate area was soon filled with aerospace firms, such as Lockheed , which was the area's largest employer from the 1950s into 1980s. Stanford University , its affiliates, and graduates have played a major role in the development of the culture of collaboration among high-tech companies. A powerful sense of regional solidarity shaped
9350-644: The outlook of inventors and engineers in California; contrasting markedly from the insular and competitive environment of engineering firms on the East Coast of the United States . From the 1890s, Stanford University's leaders saw its mission as service to the (American) West and shaped the school accordingly. At the same time, the perceived exploitation of the West at the hands of eastern interests fueled booster-like attempts to build self-sufficient local industry. Thus regionalism helped align Stanford's interests with those of
9460-439: The possibility that sexism contributed in making Silicon Valley's leadership gender gap the highest in the state. A January 2015 issue of Newsweek magazine featured an article detailing reports of sexism and misogyny in Silicon Valley. The article's author, Nina Burleigh , asked, "Where were all these offended people when women like Heidi Roizen published accounts of having a venture capitalist stick her hand in his pants under
9570-545: The range of production workers. As of 2016 a two-bedroom apartment rented for about $ 2,500 while the median home price was about $ 1 million. The Financial Post called Silicon Valley the most expensive U.S. housing region. Homelessness is a problem with housing beyond the reach of middle-income residents; there is little shelter space other than in San Jose which, as of 2015, was making an effort to develop shelters by renovating old hotels. The Economist also attributes
9680-488: The region's severe housing shortage and high housing prices. As of 2023, the low-income poverty threshold set by the California Department of Housing and Community Development for single-person households in the counties of San Francisco, San Mateo, and Marin was $ 104,400, followed by $ 96,000 for the county of Santa Clara. In contrast, the 2023 national low-income poverty threshold set by the U.S. Census Bureau for
9790-448: The region. After Mexico gained independence from Spain in 1821, Mexico continued Spain's missions and settlements in northern California as well as Spain's territorial claims. The Mexican Californios (Spanish-speaking Californians) in these settlements primarily traded cattle hides and tallow with American and European merchant vessels. In 1825, the Hudson's Bay Company established
9900-422: The rest of the United States and abroad. San Francisco grew from a tiny hamlet, home to about 1,000 Californios into a boomtown of over 50,000 people in the 12 years between 1848 and 1860. New roads, churches, and schools were built, and new towns sprung up, aided in part by the development of new methods of transportation such as steamships which came into regular service and railroads which now connected
10010-555: The rest of the United States. In return, immigrants from the rest of the United States (and Europe) could comfortably come to northern California. A network of railroads spread throughout northern California, and in 1887, a rail link was completed to the Pacific Northwest . Almost all of these railways came under the control of the Southern Pacific Railroad , headquartered in San Francisco, and San Francisco continued as
10120-568: The same group, directly leading to Tech Crunch 2014 estimate of 92 public firms of 130 related listed firms then worth over US$ 2.1 trillion with over 2,000 firms traced back to them. Another important pillar of the Valley's success was Silicon Valley Bank (SVB), founded in 1983 by a group of former Bank of America executives. Before its 2023 collapse , SVB specialized in providing banking services to Silicon Valley entrepreneurs and their startup firms. SVB's original primary commercial lending product
10230-668: The second 8-bit microprocessor designed and manufactured by Intel . On April 23, 1963, J. C. R. Licklider , the first director of the Information Processing Techniques Office (IPTO) at The Pentagon 's ARPA issued an office memorandum addressed to Members and Affiliates of the Intergalactic Computer Network . It rescheduled a meeting in Palo Alto regarding his vision of a computer network, which he imagined as an electronic commons open to all,
10340-792: The shore of northern California out to a distance of 12 nmi (22 km), along the entire northern California coastline. In addition, the National Park Service administers protected areas on Alcatraz Island , the Golden Gate National Recreation Area , Whiskeytown–Shasta–Trinity National Recreation Area , and the Smith River National Recreation Area . The NPS also administers the Manzanar National Historic Site in Inyo County ,
10450-587: The state can be subdivided in other ways as well. For example, the Central Valley is a region that is distinct both culturally and topographically from coastal California, though in northern versus southern California divisions, the Sacramento Valley and most of the San Joaquin Valley are usually placed in northern California. Some observers describe three partitions of California, with north and south sections separated by Central California . The state
10560-839: The tech industry, "This is the next step in the civil rights movement" while T. J. Rodgers has argued against Jackson's assertions. According to a 2019 Lincoln Network survey, 48% of high-tech workers in Silicon Valley identify as Christians , with Roman Catholicism (27%) being its largest branch, followed by Protestantism (19%). The same study found that 16% of high-tech workers identify as nothing in particular, 11% as something else, 8% as Agnostics , and 7% as Atheists . Around 4% of high-tech workers in Silicon Valley identify as Jews or Buddhists , 3% as Hindus , 2% as Muslims and 1% as Satanists . The following Santa Clara County cities are traditionally considered to be in Silicon Valley (in alphabetical order): Northern California Northern California (commonly shortened to NorCal )
10670-613: The top research and development centers in the world. A 2006 The Wall Street Journal story found that 12 of the 20 most inventive towns in America were in California, and 10 of those were in Silicon Valley. San Jose led the list with 3,867 utility patents filed in 2005, and number two was Sunnyvale, at 1,881 utility patents. Silicon Valley is also home to a significant number of " Unicorn " ventures, referring to startup companies whose valuation has exceeded $ 1 billion dollars . A world-renowned technology hub, San Francisco Bay Area has
10780-606: The university leased portions of its land to high-tech firms. Terman nurtured companies like Hewlett-Packard , Varian Associates , Eastman Kodak , General Electric , Lockheed Corporation , and other high-tech firms, until what would become Silicon Valley grew up around the Stanford University campus. In 1951, to address the financial demands of Stanford's growth requirements, and to provide local employment-opportunities for graduating students, Frederick Terman proposed leasing Stanford's lands for use as an office park named
10890-491: The weekly trade newspaper Electronic News . In preparation for this report, during a lunch meeting with marketing people who were visiting the area, he heard them use the term. Earlier uses outside journalism exist; for example, a May 1970 advertisement in the Peninsula Times Tribune described a Palo Alto company that "helps production people in Silicon Valley." However, the term did not gain widespread use until
11000-462: The west and coast, especially in the summer, creating some of the coolest summer conditions in North America. Since the first decade of the 21st century, droughts and wildfires have increased in frequency as a consequence of climate change . The population of the forty-eight counties of northern California has shown a steady increase over the years. The largest percentage increase outside
11110-522: The world, and transformed the home-printing market when it released the first thermal drop-on-demand ink-jet printer in 1984. Other early tenants included Eastman Kodak , General Electric , and Lockheed . In 1956, William Shockley , the co-inventor of the first working transistor (with John Bardeen and Walter Houser Brattain ), moved from New Jersey to Mountain View, California , to start Shockley Semiconductor Laboratory to live closer to his ailing mother in Palo Alto . Shockley's work served as
11220-597: The year 2000, large law firms from all over the world were rushing to establish offices in the mid-Peninsula region on or near Sand Hill Road, and Silicon Valley law firms had become global trendsetters in that they were the first legal services employers to adopt business casual apparel (in imitation of their startup clients). During this era, lawyers evolved from their relatively narrow conventional role as protectors of intellectual property into business advisers, intermediaries, and dealmakers, and thereby acquired great prominence in Silicon Valley. For young entrepreneurs new to
11330-478: Was 9.4% in January 2009 and has decreased to a record low of 2.7% as of August 2019. But in April 2020, when unemployment was at its peak, it stood at 13.7% and has since fallen to 5.7% in July 2021. Silicon Valley received 41% of all U.S. venture investment in 2011, and 46% in 2012. During the period from 2019 to 2021, Silicon Valley's share of U.S. venture capital investment dropped to 35.9%, but had surged back to 41% as of
11440-411: Was a working capital line of credit , secured by a startup's accounts receivable . In contrast to traditional banks, who focused their commercial lending on already-established businesses, SVB specialized in lending money to small startup companies in the "preprofit" stage. Prior to 1970, most Northern California lawyers were based in San Francisco, especially the experienced patent attorneys whom
11550-488: Was created to foster startups , giving a boost to entrepreneurs. Northern California was even more welcoming, with a group of venture capitalists actively seeking high-tech business ideas, clustered on Sand Hill Road in Menlo Park and Palo Alto . California 's civil code undermined the usual non-compete clauses that effectively tied employees to their companies in other states, allowing California workers to freely apply
11660-531: Was especially important in the valley's early development. Together these elements formed the basis of its growth and success. The United States was more friendly than other countries to business investment, charging much lower taxes on capital gains since the Revenue Act of 1921 , and featuring particularly loose free market controls over new business. In 1953, the Small Business Administration
11770-676: Was female, and 3% was Hispanic and 1% was black. In August 2014, Apple reported that 80% of its global tech staff was male and that, in the U.S., 54% of its tech jobs were staffed by Caucasians and 23% by Asians. Soon after, USA Today published an article about Silicon Valley's lack of tech-industry diversity, pointing out that it is largely white or Asian, and male. "Blacks and Hispanics are largely absent," it reported, "and women are underrepresented in Silicon Valley—from giant companies to start-ups to venture capital firms." Civil rights activist Jesse Jackson said of improving diversity in
11880-452: Was first established in 1770, and at San Francisco in 1776. In all, ten missions stretched along the coast from Sonoma to Monterey (and still more missions to the southern tip of Baja California ). In 1786, the French signaled their interest in the northern California area by sending a voyage of exploration to Monterey. The first twenty years of the 19th century continued the colonization of
11990-529: Was prevented from appearing on the 2018 California ballot because of a constitutional review by the Supreme Court of California . Since the events of the California Gold Rush , Northern California has been a leader on the world's economic, scientific, and cultural stages. From the development of gold mining techniques and logging practices in the 19th century that were later adopted around the world, to
12100-474: Was started by Gordon French and Fred Moore who met at the Community Computer Center in Menlo Park . They both were interested in maintaining a regular, open forum for people to get together to work on making computers more accessible to everyone. The first meeting was held as of March 1975 at French's garage in Menlo Park , San Mateo County, California ; which was on occasion of the arrival of
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