Didi is focused now on tearing pages from Uber’s playbook. It started out in taxis, but now its private-car service makes up around half of its trips after debuting less than a year ago. Didi is testing a carpooling service called Hitch, a bus line and on-demand designated drivers. CEO Cheng is confident his company can keep Uber at bay. “China’s Internet competition is the most intense in the world,” he says, “and Didi Kuaidi is the winner that survived.”