HU WEIWEI

WHY HER? She invented bike-sharing app Mobike, the first of its kind in the world. THE BIZ The bikes, with their built-in GPS and smart locks, can simply be locked up on the roadside ready for the next user. Just locate the nearest bike with the app, and the charges are automatically deducted from your account. WHY SO HOT? At just one yuan per half hour, it’s not only easy but cheap—which explains why, following a successful trial in Shanghai in 2015, the app took off in nine more cities in as many months.