China government will not usually explain why a specific software/service should not be accessible by Chinese people. But when they do, they usually use some r

China government will not usually explain why a specific software/service should not be accessible by Chinese people. But when they do, they usually use some reason like: They must operate according to China's law. If you dig into the law though, you will find it's very hard for an international online company to follow some of them. So often you end up with a special version for China only and/or corporate with Chinese company. Skype did it before, it was called TOM-Skype[0], operated by TOM.com[1]. Then, TOM.com gone out of business, and TOM-Skype was discontinued. [0] https://zh.wikipedia.org/wiki/TOM-Skype https://zh.wikipedia.org/wiki/TOM-Skype (In Chinese) [1] https://en.wikipedia.org/wiki/TOM_Group https://en.wikipedia.org/wiki/TOM_Group