Mark Zuckerberg

Mark Zuckerberg apologized for the data debacle that has upended Facebook and left the door open to testifying before Congress. "What we try to do is send the person at Facebook who will have the most knowledge," Zuckerberg said. "If...

An unusual bug on Facebook briefly labelled many people as dead. The error on Friday caused the social network to show a memorial banner on user profiles for people who were still alive. Users posted status updates to reassure friends...