Integration with Facebook, foursquare, and twitter. A lot beyond that, but it's a little premature to talk about it right now ;) No game mechanics, right now w

Integration with Facebook, foursquare, and twitter. A lot beyond that, but it's a little premature to talk about it right now ;) No game mechanics, right now we're focusing on real rewards. We'd love to add some gaming layer, but it can't be some sort of tack-on feature. It needs to be a fundamental part of the product, and we haven't figured out a great way to do that yet.