Can you please elaborate on how 4chan has civil wars? I don't understand how that happens if all the users are completely anonymous and have no screen names. From what I've seen of 4chan a thread, you would never know if you're even having a conversation with the same person.
read this
http://firstmonday.org/ojs/index.php/fm/article/view/3665/3055
>>471022
Here is an historical example: