On Wednesday, Uber announced a "strategic partnership" and investment with Baidu, China's search giant. The potential is huge.
Beijing cabbies have a penchant for screechy Peking Opera and a habit of hacking up phlegm. When they're not puffing away on cigarettes, they roll the windows down, filling the car with the Chinese capital's notorious smog. But with 66,000 taxis serving the sprawling city of 21 million people, the laws of supply and demand are on the drivers' side.