Sneakerheads rejoice! Slang is a new app that lets you buy and sell sneakers right on your iPhone. It is basically like Tinder of the sneaker game, simply post a photo and description of the sneakers you want to swap, and choose the shoes you want by browsing the other sneakers submitted by the community. When a match is made, between a pair of sneakers you want and the ones you are offering, both parties use a pre-addressed label to ship to Slang, who acts as the middleman, inspects the sneakers for authenticity, and then ship them out to their final destination. Watch the explanatory video below.