I use Yelp to get ideas about what places to eat, but recommendations and confirmations from friends is usually the final say. I really like Yelp, but things like this keep coming up and it's hard to trust that their heart is in the right place. Not to mention how slow they are at staying competitive with other services. Check-in feature seemed to take forever, and I still can't believe they haven't tried to implement customer appreciation cards a la Stampt.