After 17 months of jokes about vaporware college payments startup Clinkle, its iOS and Android apps_finally launched today at a few colleges. Clinkle lets you pay friends, get a pre-paid Visa, and earn gifts like Baskin-Robbins ice cream for buying stuff with your Clinkle card. The trick_is that Clinkle gamifies payments. You can only see Treats sent to you by friends if you pay with your… Read More