It is "similar to how many email spam filters work," they wrote. "Our
system identifies posts that are clickbait, and which web domains and
Pages these posts come from. Links from or shared from Pages that
consistently post clickbait headlines will appear lower in News Feed.
News Feed will continue to learn over time — If a Page stops posting
clickbait headlines, their posts will stop being impacted by this
"Clickbait" has been a scourge of the web for several years. But the
term means different things to different people. So Thursday's
announcement will be parsed by publishers for details about what
Facebook thinks it is.