User blog comment:Brandon Rhea/Wikia Chat feature -- a new way of communicating/@comment-2200849-20110711082836/@comment-20644-20110711161202

If no one's in there, I think it says "Start a Chat." You'd see "Join the Chat" if there were others there.

If you're not seeing either of those, refresh the page. Otherwise, as I suggested to ITCO, try clearing your cache or just waiting it out. It will appear.