Micro-channel (WeChat) is Tencent in January 21, 2011 launch of an offer instant messaging services for intelligent terminal free application micro-channel support cross-communications operators, cross-operating system platform to quickly send free (need to consume a small amount of network through flow) voice messaging, video, pictures and text, but also can be used by information sharing streaming content and location-based social plug-in "Shake," "drift bottles", "circle of friends", "public platform" "Voice Notepad" and other services plugin.