456 days ago - Companies in Silicon Valley, including San Mateo County, are likely “on par” with companies nationally in charitable giving, according to a study released this morning by the Silicon Valley Community Foundation. “For a long time, Silicon Valley had this rap as the land of the cyber-stingy,” said Peter Hero, senior advisor to the foundation, which commissioned a survey of 100 companies, most in information technology, professional services and finance. “In point of fact, people living in Silicon Valley are about as generous as people nationally.”