
Although considerable political attention has been focused on Facebook over its alleged political censorship, Twitter has a far worse track record. Conservatives and critics of progressivism are still routinely kicked off the platform, often for no other reason that presenting facts and political arguments.
Article here:
http://www.breitbart.com/tech/2018/05/15/twitter-officially-admits-to-shadowbanning-users-in-all-but-name/