Seek users’ consent toanalyzetheirdata

WeChat had 938millionusers by the end of March, while Alipay had 520 million by the end of 2017. Their respective developers, Alibaba and Tencent, are both tech giants with huge influences not only in China but also in many other parts of world.

But that’s no excuse for them to Chen Liteng, an analyst at a Hangzhou-based e-commerce research center