''Ward conceives wiki as the UltimateTest for JointOwnership.'' 
 snippet from HistoryOfExtremeProgramming

What are the SuccessCriteria?  
* WikiSharedOwnershipTestCriteria

How is it going?

''Well, I haven't heard anyone say "Hey. Don't bogart that page."''

On the other hand, there's MustEverythingOnThisWikiBeExtreme and XpFreeZone.