How China’s Baidu Maps turns the location data of 600 million people into stunning 3-D cityscapes—and big profits

Level 3, number 203. Turn right 10 feet. Go straight for 15 feet. The best way to experience data’s strong grip on everyday life in China is to open up Baidu Maps, a mapping app by China’s biggest search engine company, and walk around a shopping mall for one afternoon. Inside the building, a network