Article Photos: Facebook CEO reaps $3.3B gain from stock options 1/1

FILE - In this Thursday, March 20, 2013 file photo, Facebook CEO Mark Zuckerberg speaks at Facebook headquarters in Menlo Park, Calif. Zuckerberg reaped a $3.3 billion gain last year by exercising stock options in the social networking company that he founded in a Harvard University dorm room. (AP Photo/Jeff Chiu, File)