Customers crowd to buy bamboo shoots at a supermarket on the “Double 12” shopping festival in Hangzhou, Zhejiang province, China, December 12, 2015. Many supermarkets in China cooperated with Alipay, the online payment platform of Alibaba Group, on this festival to offer their customers 50% off up to 50 yuan ($7.74), local media reported. Alipay's wallet system is widely used in both retail shops and for online transactions. (Photo by Reuters/Stringer)
