Twitter censors user for factual tweet about transgenderism: A Twitter user shared a screenshot of his censorship notice. He tweeted: "Trans is a mental disorder in the DSM-IV. Have you cancelled that yet?" The DSM is the Diagnostic Statistical Manual used as the definitive guide to diagnose psychiatric disorders. Twitter found the tweet to violate its "rules against hateful conduct." The user was required to delete the tweet in order to regain access to his account.