Most of the talk introduces tiddlywiki. It's neat to hear its history and motivations, and to hear Joe's thoughts on software and web and hypertext.

Unfortunately the actual intersection of tiddlywiki and erlang starts around 39:44, and they only have a few bullet points to share about unfinished experiments. Mainly about wikis communicating through shared tags.

Anybody know what happened to their project?

Oh I hadn’t seen this one. Any presentation from JoeA is worth the time.