A man walks past a sign in an office on the Facebook campus in Menlo Park, Calif. (June 11, 2014)
A man walks past a sign in an office on the Facebook campus in Menlo Park, Calif. (June 11, 2014) Jeff Chiu File photo
A man walks past a sign in an office on the Facebook campus in Menlo Park, Calif. (June 11, 2014) Jeff Chiu File photo