I’d say more, but Alfie Kohn pretty much said it all. (except for the full explanation of motivation theory and grades).
When thinking about a few things (Thunderbird’s shady priority for Mozilla, RoundCube, Gmail, Social Networking Sites, iGoogle, Pidgin, etc), I’ve decided that it would be best if there was an opensource project for domain owners to install that would include most of this functionality. It could focus on a jabber-type account for the users (or like drupal or typekey) … TBC
(because domains and hosting aren’t that expensive, and frankly I’d prefer to keep my data to myself)