User blog comment:Dopp/New Profile Design Now Live Across All Wikis/@comment-242973-20110820172805/@comment-1025281-20110821001048

By "encyclopedias", you mean "user-generated content". To state the obvious, user-generated content relies on users continuing to be interested in contributing. That will not happen unless there are clear attempts at "community-building", or, as many of the old-schoolers will try to tell you, "social networking".