@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/4Yik6ywNpP https://t.co/W5jE1hBykf

@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/4Yik6ywNpP https://t.co/W5jE1hBykf