Conversation so far:
Why did he start this?
cascades" of faulty information within groups that may ultimately lead to violence.
In this article they wrote, "The existence of both domestic and foreign conspiracy theories.
What year was this?
2008.
What is this in?
paper.
Who wrote it?
Sunstein co-authored a 2008 paper with Adrian Vermeule.
What is the name of the paper?
Conspiracy Theories.
What is it about?
Government agents (and their allies) might enter chat rooms, online social networks, or even real-space groups.

Question: Any other cool facts?
Self-contained rewrite: Besides government agents enter chat rooms and social networks, any other cool facts?