@CNN: China’s most popular social media app has amassed 1 billion users. But it’s going to have trouble attracting another billion. https://t.co/sme7DsLukt https://t.co/m1VCRL8mIe

@CNN: China’s most popular social media app has amassed 1 billion users. But it’s going to have trouble attracting another billion. https://t.co/sme7DsLukt https://t.co/m1VCRL8mIe