Internet Relay Chat
Software / App
An early form of online chat where criminals would try to conduct business, but it was unreliable due to anonymity and lack of trust.
Mentioned in 2 videos
Videos Mentioning Internet Relay Chat

Brett Johnson: US Most Wanted Cybercriminal | Lex Fridman Podcast #272
Lex Fridman
An early form of online chat where criminals would try to conduct business, but it was unreliable due to anonymity and lack of trust.

Matt Mullenweg Interview (Full Episode) | The Tim Ferriss Show (Podcast)
Tim Ferriss
An 'old text chat or IM system' used for collaboration in early open-source projects, which Slack now replaces at Automattic.