https://www.cnbc.com/2017/09/27/mark-zuckerberg-says-facebook-impact-on-2016-election-went-beyond-ads.html

Mark Zuckerberg said late Wednesday that President Trump's tweet alleging that Facebook has always been against him is wrong and said the social network was an overall force for good during the 2016 U.S. election campaign.

"Trump says Facebook is against him. Liberals say we helped Trump. Both sides are upset about ideas and content they don't like. That's what running a platform for all ideas looks like," the Facebook CEO said in a post.