FILE - In this May 16, 2012, file photo, the Facebook logo is displayed on an iPad in Philadelphia. Facebook said on Thursday, Aug. 4, 2016, it is now using a system that identifies phrases commonly used in "clickbait" headlines, taking another stab at ridding users' news feeds of the links and headlines that ask readers to "guess what happened next" but don't provide any useful information, tempting people to click if they want to find out. (AP Photo/Matt Rourke, File)
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