What Makes WeChat So Successful?

How makes WeChat so successful? How does it influence the design of other social media apps? I just wrote a new post on this topic ➡️𝐌:
https://medium.com/@shanshen/what-makes-wechat-so-successful-5d4795c96e1d

Press "L" to like or share your thoughts with me! 😃🎉🎉