Barack Obama warned Mark Zuckerberg about impact of fake news . 
Representatives for Facebook and Obama did n't immediately respond to request for comment . 
US President Barack Obama speaks as Face . 
Then-President Barack Obama warned Facebook CEO Mark Zuckerberg about the impact of fake news on the 2016 US presidential election nine days after the chief executive dismissed the idea as "crazy ," the Washington Post reported Sunday . 
Obama told Zuckerberg that if Facebook did not do more to address the threat , the problem would only continue to get worse in elections to come . 
Zuckerberg , in turn , assured Obama that he was aware of the problem , but that such messages were n't widespread on Facebook and there was no easy solution .
Representatives for Facebook and [TGT] did n't immediately respond to request for comment . 
[TGT] speaks as Face . 
Then-President Barack Obama warned Facebook CEO Mark Zuckerberg about the impact of fake news on the 2016 US presidential election nine days after the chief executive dismissed the idea as "crazy ," the Washington Post reported Sunday . 
[TGT] told Zuckerberg that if Facebook did not do more to address the threat , the problem would only continue to get worse in elections to come . 
Zuckerberg , in turn , assured [TGT] that he was aware of the problem , but that such messages were n't widespread on Facebook and there was no easy solution .