I'm teaching shortly in a room in the Kemmy Business School, ground floor, number KBG10.

I cannot stop myself writing this as KGB10, and the same for any other rooms on that floor.

I would make this remark to the students, but they would have no idea what I was talking about, so I make it here.

(Mastodon is a comforting place, full of people who don't live in this century.)