these are social media bots that post things automatically.
- @validpolls tweets yes/no polls, asking questions in the form of "Is it [valid/problematic/etc] to [transitive verb] [noun]?"
- @tifutldr tweets TL;DRs from r/tifu. it's NSFW.
- @userboxbot tweets userbox text from Wikipedia.
- @shinpachibot tweets quotes from Shimura Shinpachi, from Gintama.
- userbox-ebooks generates userboxes with markov chains. it's on tumblr.