https://www.recode.net/2017/9/28/16378186/twitter-fake-news-misinformation-russia-oxford-swing-states

Polarizing conspiratorial content and inaccurate “junk news” flooded Twitter during the 2016 presidential race, according to new research from Oxford University, particularly in swing states like New Hampshire, Pennsylvania and North Carolina.

The new findings about the extent of misinformation on the site comes as Twitter prepares to brief House and Senate lawmakers on the extent to which Russian-backed agents may have co-opted social media in a bid to interfere with the U.S. election.