ChatWatch is a tool that allows you to anyalyze any past reddit, twtich, and youtube streams. With a little twist of natural language proccessing.
Here are some past streams you can try:
https://www.twitch.tv/videos/1464261263
https://www.youtube.com/watch?v=Aa8o1INxiJs
https://www.reddit.com/rpan/r/RedditSessions/uft4ry?related=home