https://techcrunch.com/2017/11/15/study-russian-twitter-bots-sent-45k-brexit-tweets-close-to-vote/

To what extent — and how successfully — did Russian backed agents use social media to influence the UK’s Brexit vote? Yesterday Facebook admitted it had linked some Russian accounts to Brexit-related ad buys and/or the spread of political misinformation on its platform, though it hasn’t yet disclosed how many accounts were involved or how many rubles were spent.

Today the The Times reported on research conducted by a group of data scientists in the US and UK looking at how information was diffused on Twitter around the June 2016 EU referendum vote, and around the 2016 US presidential election.