@evanprodromou I've just read the book, it's awesome. Wish I had it 12 months ago!
I was a bit surprised to see Group actors described as a way to clump people as Lemmy, Mbin and PieFed use it as a way to categorise *posts*.
https://codeberg.org/fediverse/fep/src/branch/main/fep/1b12/fep-1b12.md
I would have thought Organisation was for clumps of people?
It's a very small thing.
Amazing work, thank you!