Facebook is finally taking a step to combat fake news

Facebook is hesitant to purge any information from your News Feed — even fake news. But that doesn't mean it doesn't have tools to combat sites that profit from the spread of misinformation.

The company told the Wall Street Journal late Monday that it will ban fake news websites from participating in its ad network, cutting off a significant revenue source. Google enacted a similar policy for its ad service earlier in the day. 

One wrinkle: It's unclear how Facebook, which has leaned on user reports to flag content in the past, will identify fake news websites to begin with. A representative did not immediately respond to a request from Mashable for clarification Tuesday. Read more...