FORBES - Feb 14 - Bumble app was founded by Whitney Wolfe, a member of FORBES' 30 Under 30 2017 and a cofounder of Tinder. Women have to make the first move by sending the first message after two users swipe right on each other. The app claims 12.5M registered users. They tend to be young and well-educated. The average user spends 100 minutes a day on the app. Bumble's facilitated 750M matches after two years in operation, and is responsible for 5k weddings and engagements.