Now a lot of software have this excessive access to personal user information behavior, not just cool dog, you install a lot of regular software than, for example, Baidu Tencent and so on often have a lot of access to the permissions and this software is not even next to, but they are in order to the future of the era of big data can get more personal information about the user, often ask for this kind of permissions if you trust the installation on the right, the big companies generally Nothing