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,
Smartphone zombie into other walkers. The field of vision of a smartphone user is estimated to be just 5% of a normal pedestrian's. An app which uses the phone's camera to make it seem transparent can be used to provide some warning of hazards. In Augsburg, Bodegraven and Cologne, ground-level traffic lights embedded in the pavement have been introduced so that they are more visible to preoccupied pedestrians. In Seoul, warning signs have been placed on the pavement at dangerous intersections following over a thousand road accidents caused by smartphones in South Korea in 2014. In October 2017, the City of Honolulu,