https://www.theverge.com/2018/2/21/17036708/twitter-automation-rule-changes-ban-bulk-tweeting-bot-crackdown-election

This has been at the top of my Gnews for 18 hrs:

Conservative Twitter Users Lash Out After Followers Vanish

https://www.bloomberg.com/news/articles/2018-02-21/conservative-twitter-users-lash-out-over-disappearing-followers

Twitter says most recent follower purge is about bots, not politics
^{Calm down, the company isn't targeting conservative users.}

https://www.engadget.com/2018/02/21/twitter-follower-purge-bots-not-politics/

Bots and propaganda are really a huge credibility issue for FB & Twitter, with the Russian scandal growing they should do everything they can to appear to be on top of it.  2018 mid-terms are right around the corner.