Campbell 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.