Hah, wow, Elmosite is now inserting tweets into the "Following" timeline that have got to be advertising... but are in not marked as such.

(I definitely don't follow that account. Have, with much futility, blocked it - just to upset Elmo.)

https://toot.ale.gd/system/media_attachments/files/111/026/621/289/448/163/original/247072afc22b24f3.jpg