Cheng Wei all assets of the Chinese division of Uber, including its brand, business operations and data for operation within mainland China. Under the terms of the deal, Wei is set to become a board member of Uber and Uber's CEO also gets a seat on DiDi's board. Since the company was founded in 2012, under the leadership of Cheng Wei and Jean Liu, DiDi has grown to become one of the world’s highest valued tech start-ups. The company has evolved from a simple taxi-hailing app to taxi hailing, private car hailing, hitch (social ride-sharing), bus, minibus, chauffeur service, car rental service,
App store optimization call "black hat" ASO and are practices which the app stores do not condone. Black hat ASO includes falsifying downloads or ratings and reviews, perhaps by using bots or other techniques to make app stores (and their users) believe an app is more important and influential than it actually is. Apple has been proactively fighting against black hat ASO. In February, 2012, Apple released a statement as reported by "The New York Times" "warning app makers that using third-party services to gain top placement in App Store charts could get them banned from the store." Google followed Apple in 2015