Groups, communities, suburbs, cul-de-sacs

The Well
MySpace
Facebook
LiveJournal
InsaneJournal
GreatestJournal
DeadJournal
Blogspot
AboutMyLife.net
Blurty
Caleida
CrazyLife.org
JournalFen.net
LiveJourbal.net
LostJournal

There must be a million more. Which am I missing?

And here is some interesting information about the Great LJ Exodus of August 07 that fanfic writers and others may be interested in.