What is the role of WeChat and qq binding?

The advantages are as follows: \x0d\ 1. Not easy to lose. If you lose WeChat, you can use qq number to retrieve WeChat password. \x0d\2.qq offline messages and qq emails can be collected through WeChat \x0d\3. You can log in to WeChat through QQ or add QQ friends to WeChat. \x0d\4。 Others can also find the bound WeChat through QQ number.