https://www.cnbc.com/2017/10/30/facebook-says-russia-backed-election-content-reached-126-million-americans.html

Facebook said on Monday that Russia-based operatives published about 80,000 posts on the social network over a two year period in an effort to sway U.S. politics, and that about 126 million Americans may have seen the posts during that time.

Facebook gave the details about the reach of Russian posts in written testimony the company provided to U.S. lawmakers which was seen by Reuters.