Campbell /ˈkæmbəl/ is a city in Santa Clara County, California, and part of Silicon Valley, in the San Francisco Bay Area. As of the 2010 U.S. Census, Campbell's population is 39,349. Although not a major high-tech city like many of its neighbors, Campbell is the original home of eBay and of its creator, Pierre Omidyar.Campbell is home to the Pruneyard Shopping Center, a sprawling open-air retail complex which was involved in a famous U.S. Supreme Court case that established the extent of the right to free speech in California. Today the Pruneyard Shopping Center is home to the South Bay offices of the Federal Bureau of Investigation.