Join the Nation's Conversation To find out more about Facebook commenting please read the Conversation Guidelines and FAQs Facebook showed tech IPOs are a zero-sum game (Investors always lose) John Shinal, Special for USA TODAY 4:51 p.m. EDT September 29, 2015 In this March 25, 2015 file photo, Mark Zuckerberg talks about the Messenger app during the Facebook F8 Developer Conference in San Francisco.
founded_by: Facebook, Mark Zuckerberg; creator: Facebook, Mark Zuckerberg