This has been near the top of my "app ideas" notebook for 10 years, and I've never found any serious attempt out there. I view this as a game theory problem, wh

This has been near the top of my "app ideas" notebook for 10 years, and I've never found any serious attempt out there. I view this as a game theory problem, whose solution would be facilitated by a social network that modeled whatever the problem is. If it ever succeeded, it would probably be in continual hazard of turning into that Black Mirror episode about reputation scores.