Silicon Valley

Silicon Valley is a global center for high technology and innovation located in Northern California, specifically in the southern part of the San Francisco Bay Area. It corresponds to the geographical area of the Santa Clara Valley and is home to many of the world's largest high-tech corporations, including over 30 Fortune 1000 companies. The region has a high GDP per capita and a large number of startup companies, with Silicon Valley accounting for one-third of all venture capital investment in the United States. It was in Silicon Valley that key technologies such as the silicon-based integrated circuit, microprocessor, and microcomputer were developed.learn more on wikipedia