88
Terabytes of Old Usenet Articles since 1980s Restored in 471,000 News Groups
(neon.nightbulb.net)
For the discussion about usenet providers, indexers, and newsgroups.
Back then, porn only got from a printed page or developed photograph to an electronic format if you had a scanner - and those weren't cheap. Only a corporation or weird uncle had such tech, so the best "porn" I used to see was a fuzzy picture of the Budweiser girls or Cindy Crawford in a 1-piece swimsuit.
If I remember right, textual porn was a bigger thing. People world circulate Penthouse Forum letters they copied from the magazine.