User blog comment:Ohmyn0/What's Going on with Chat/@comment-1593149-20110503083037/@comment-118323-20110503165737

Chat is on about 20 test wikis right now, and we've halted turning it on any more as we focus on building it's new features. You can still request to be a test wiki for chat, but in the meantime you should test it out here on Community Central. :-)