Facebook has quietly rolled out its long-awaited solution to fake news
Look out for news marked as ‘disputed.’
I mean according to them they didn't have a fake news problem but… well… they're implementing a fix for one. the tool identifies links to sites known to produce misinformation. The tool cites third-party fact-checking organizations like Snopes and Politifact—the kind of sites that Trump supporters also like to dispute—and you'll see it indicate the content was disputed by those organizations.