Silicon Valley has the nation’s second highest concentration of wealthy people, according to the U.S. Census Bureau.
Money Magazine named Cupertino one of the nation’s best places to live in 2012.
Forbes ranked San Jose No. 6 on its 2011 list of “America’s Safest Cities.”
The name “Silicon Valley” originally referred to the region’s large number of silicon chip innovators and manufacturers, but eventually applied to all of the tech companies in the area.
The “mouse” was invented in Silicon Valley in 1963.