https://www.cnbc.com/2018/09/13/facebook-better-prepared-to-fight-election-interference-mark-zuckerberg-says.html

SAN FRANCISCO — Mark Zuckerberg began the year by promising to make Facebook safer from election interference around the world. He has spent most of the rest of the year apologizing for not recognizing the problem earlier.

On Wednesday, Mr. Zuckerberg, Facebook's chief executive, published a roughly 3,300-word blog post cataloging all the steps the company has taken.