Shenzhen Vice Mayor Liu Qingsheng (in white) and Tony Ma Huateng (R), chairman of Tencent, use QR codes on mobile phones to make payments at turnstiles at Futian subway station in Futian District, Shenzhen, yesterday. Commuters are now able to enter and exit Metro stations in the city via QR code payments from their phones. (Story on P3)Sun Yuchen |