That's why, if it's public, then people will know they're cheating. I toy with the idea of verifiable quests. For example, Take a picture a day (I can verify

That's why, if it's public, then people will know they're cheating. I toy with the idea of verifiable quests. For example, Take a picture a day (I can verify that they have from flickr). Blog once a week (I can verify this from their RSS feed)... although each one of those requires custom programming. Maybe give more XP for those things that can be verified.