Actually, the internet speed in China will limit the usage of such services. It took me 3 hours to upload a 1G file (and I'm in Shenzhen, where Tencent headquar

Actually, the internet speed in China will limit the usage of such services. It took me 3 hours to upload a 1G file (and I'm in Shenzhen, where Tencent headquarter is located). I doubt Tencent is just claiming an outrageous number and assuming no user will ever reach it.