http://tech.newstatesman.com/news/zuckerberg-facebook-arms-race-russia

Facebook is engaged in an arms race with Russia as state actors attempt to sow discord via its platforms, Mark Zuckerberg told senators last night.

In a testimony spanning nearly five hours, the billionaire founder of the world’s biggest social media firm said his number one priority is now preventing the sort of election meddling seen in the 2016 US election from occurring again.