History of Silicon Valley: Why do they call it Silicon Valley? 

Learn about the history of Silicon Valley in 8 minutes:
- Silicon Valley is located in the southern part of the San Francisco Bay Area in Northern California that serves as a global hub for high technology, innovation, and social media.
- Silicon Valley corresponds roughly to the geographical Santa Clara Valley. San Jose is the Valley's largest city, the third-largest in California, and the tenth-largest in the United States.
- Other major Silicon Valley cities include Palo Alto, Menlo Park, Redwood City, Cupertino, Santa Clara, Mountain View, and Sunnyvale. The San Jose Metropolitan Area has the third-highest GDP per capita in the world (after Zurich, Switzerland and Oslo, Norway), according to the Brookings Institution
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