The coupons / deals for mayors offer a more practical reason to use Foursquare. Judging from Foursquare's funding announcement, more resources will be given to

The coupons / deals for mayors offer a more practical reason to use Foursquare. Judging from Foursquare's funding announcement, more resources will be given to that aspect now. As an entrepreneur, I see this aspect as very Tom Sawyeresque - I love the idea of getting third parties to pay your users to use your service.