Facebook played it smart and still plays it smart by devoting much of their user interface into coaxing you to engage non-users or infrequent users of the servi

Facebook played it smart and still plays it smart by devoting much of their user interface into coaxing you to engage non-users or infrequent users of the service. I would rather just see a news feed, but that UI only gets you a FriendFeed-size user base, not Facebook.