"As a group commits to its existence as a group, and begins to think that the group is good or important, the chance that they will begin to call for additional structure, in order to defend themselves from themselves, gets very, very high."
"3.) Three, you need barriers to participation. This is one of the things that killed Usenet. You have to have some cost to either join or participate, if not at the lowest level, then at higher levels. There needs to be some kind of segmentation of capabilities."
This is interesting. Perhaps the Danish usenet hasn't collapsed because there is a cost to join: you need to understand Danish! ?