AP Photo—Eric Risberg In this April 12, 2016, file photo, Facebook CEO Mark Zuckerberg speaks during the keynote address at the F8 Facebook Developer Conference in San Francisco. In a blog post Wednesday, May 3, 2017, Zuckerberg said that Facebook will hire another 3,000 people to review videos of crime and suicides following murders shown live. Photo: AP / Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu