" The search for “better cab” was not limited to the United States. Cheng Wei, an engineer at the Chinese tech giant Alibaba, missed several flights in China because of his failure to get a taxi in time. Fed up, in 2012 he founded DiDi, which means “beep beep” in Chinese. Now called DiDi Chuxing after a merger, it has become the largest ride-hailing company in the world. "

― Daniel Yergin , The New Map: Energy, Climate, and the Clash of Nations