Facebook Inc. CEO Mark Zuckerberg is seen on a screen televised from their headquarters in Menlo Park...
Facebook Inc. CEO Mark Zuckerberg is seen on a screen televised from their headquarters in Menlo Park moments after their IPO launch in New York May 18, 2012. Facebook Inc, began trading on the Nasdaq market on Friday, with its initial public offering at $38 a share, giving the world's No. 1 online social network a $104 billion valuation in the third largest offering in U.S. history. REUTERS/Shannon Stapleton (UNITED STATES - Tags: BUSINESS)