Nate Silver Has Doubts of Russian Hysteria Concerning the 2016 Election

What fraction of overall social media impressions on the 2016 election were generated by Russian troll farms? 0.1%? I'm not sure what the answer is, but suspect it's low, and it says something that none of the reports that hype up the importance of them address that question.

— Nate Silver (@NateSilver538) December 18, 2018