Later in the article: "WeChat, of course, has its own flaws. The messaging app is heavily censored because of requirements by the Chinese government."
"Developed by the Chinese internet giant Tencent in 2011, WeChat lets people message each other via one-on-one texts, audio or video calls. Users can also form groups of as many as 500 people on WeChat to discuss and debate the issues of the day.Mark Zuckerberg Wants Facebook to Emulate China’s WeChat. Can It? | NYT
While Facebook users constantly see ads in their News Feeds, WeChat users only see one or two ads a day in their Moment feeds. That’s because WeChat isn’t dependent on advertising for making money. It has a mobile payments system that has been widely adopted in China, which allows people to shop, play games, pay utility bills and order meal deliveries all from within the app. WeChat gets a commission from many of these services.
“WeChat has shown definitively that private messaging, especially the small groups, is the future,” said Jeffrey Towson, a professor of investment at Peking University. “It is the uber utility of business and life. It has shown the path.”"