Why WeChat has made the three big Chinese telecom companies uncomfortable? Let's analyze from both technical and commercial levels.From a technical point of view, Mr. Huang, Dean of China Mobile Research Institute, described the impact of "always online service" applications like WeChat. Instead of using technical terms, we will explain in simple vivid phrases.First, mobile QQ, or WeChat, will have their own "request frequency". These requests are sent to the carrier network, to check the real-time status of itself, such as checking if there is status change or new news come up.These "signalin...