Another feature, that I would like implemented is "tagging" of people. : D
E.g. if you write , it would turn into a link to the given user's profile, if his/her profile is public.
Of course, it should be possible to turn off this feature, if you don't want people to be able to tag you. : )
In any case, I think it should be considered, that the "tagged" user would be "notified", that he/she is mentioned in a post/comment.
It would be awesome if the link, could make a little bubble-ish pop-up appear, when hovering over the username/link.
Something like they do over at Butns.com
You should definitely check that site out! ...Yeah I know, the hasn't been updated in a couple years, but it's still a brilliant idea! : ) (someone should take up that idea cook up some self-hostable script with some fancy jQuery plugin. That'd be great! : P)