Tinder is a dating app that matches users to others based on geographic proximity. It designed (and patented) the swipe interface, in which a user swipes right to ‘like’ or left to ‘pass’. If two users both like each other it’s a match, and they are then able to chat through the app. While deciding, Tinder users are able to view selected pictures of their potential match, alongside a short bio and linked Spotify and Instagram accounts if connected. With its basis on physical proximi...| Business of Apps