China’s craze for bike-sharing has brought more than 2m new bikes to its city streets. The brightly coloured bicycles, produced by companies such as Mobike and ofo, can be unlocked using mobile apps. Mobike’s models are even GPS-tracked.
Unlike other sharing schemes around the world, China’s bicycles can be picked up and left anywhere, making them convenient for users but frustrating for city authorities.
The bicycles are locked by the user after riding, and then unlocked by the next rider by using a mobile app and scanning a QR code on the frame.
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