The mention of .plan and .project brings back memories. You used to be able to do things like finger [email protected] and see if I was logged on and what I had to share with the world (which was a long series of quotes that ran several screens). I remember learning that the AMS had shorter hours on Fridays thanks to Barbara Beeton’s .plan file.

John Carmack's .plan files were the first "blog" I ever really paid attention to.

https://github.com/ESWAT/john-carmack-plan-archive