As to the evil which results from a censorship, it is impossible to measure it, for it is impossible to tell where it ends.
Groups have a surprisingly interesting history, at least to the same people who lived it. I've been asked to post this for those few who remember a time not so long ago but not so recent either. Feel free to post what you remember as well.
Groups as we know it started with Chapter Founders. (to be edited)
Go here to see history in pictures.
[Edited on 10.12.2012 6:17 PM PDT]