2. Didi Chuxing, a well-known free taxi platform in China, is called the mobile phone "taxi artifact" and is a favorite taxi application. At present, Didi has grown from taxi software to a one-stop travel platform covering taxis, special cars, express trains, hitchhiking, driving and buses. On May 20th, 20 14, Didi Taxi announced to the media that the company name was officially changed to "Didi Taxi". 2015 February 14, Didi taxi and fast taxi strategy merged. September 9, 20 15, coincides with the third anniversary of Didi taxi. Didi taxi was officially renamed Didi Chuxing, and a brand-new logo was launched. 20 15 10 8, Didi Kuai won the first private car license in China.