Facebook works to warn users about violent content

Associated Press
Facebook works to warn users about violent content

FILE - This Feb. 8, 2012, file photo, shows a view inside Facebook headquarters in Menlo Park, Calif. Facebook announced Tuesday, Oct. 22, 2013, it was working on new ways to keep users from stumbling across gruesome content on its website following an outcry over the discovery of beheading videos there. (AP Photo/Paul Sakuma, File)

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