What does this Pew study on fake news actually mean?

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“Fake news” is a broad term that can cover satire, propaganda, conspiracy theories, sensationalism, and almost any given news story with a political bent. Since the election, though, it’s become a popular buzzword and a major issue for social networks. Facebook, in fact, just enlisted a handful of fact-checking sites to flag hoaxes.

ABC News is one of the fact checkers. You know, that ABC News, that 6 weeks ago staged a crime scene and called it news? 

My question: who is watching the watchers? 

Right-Mind