This might be worth experimenting with. One of the problems of such communities is the echo chamber nature of hearing the same voices. I'd be interested to see

This might be worth experimenting with. One of the problems of such communities is the echo chamber nature of hearing the same voices. I'd be interested to see what happens if you made it so that the more karma points you had, the harder it is for your comment to rise to the top. If a post by a leaderboard member is really interesting, then it'll get upvoted a lot- but because of the group think aspect leaderboard members tend to get upvoted a lot because they're in the leaderboard. nb: This problem may be mitigated by not having scores visible.