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.
In the context of the input sentence, determine the relationship between 'Facebook' and 'Mark Zuckerberg'.
Options: founded by, position held, stock exchange, manufacturer