 For passengers, a list of nearby taxicabs is created via GPS, and a signal is sent out indicating an expression of interest.Conversely, for taxi drivers with the app installed on their phones, the GPS system quickly lists and localizes nearby potential clients; and once a match is created, the taxi can efficiently pick up awaiting passengers.Dididache is a dominant player in China's taxi-hailing arena, with a market share exceeding 60% and service extending to 32 cities including the Tier-1 conurbations of Beijing, Shanghai, Guangzhou, and Shenzhen.