520
USENET, the OG social network, rises again like a text-only phoenix
(www.theregister.com)
This is a most excellent place for technology news and articles.
What's the cool thing to do there?
One cool thing is the game astrobotany, but Gemini shines in its focus on connecting through text only medium. Try midnight city for that.
(If you can't find URLs, ping me and I'll update the post)