1. A method of utilizing hierarchies for managing policies for wireless traffic optimization in a wireless network, the method, comprising: defining or identifying a first policy set among the policies for wireless traffic optimization as global policies without consideration of the device or its user; defining or identifying a second policy set among the policies as device policies that is dependent upon device characteristics; defining or identifying a third policy set among the policies as user policies that are specific to a user or specific to a user group; detecting that a conflict exists between either of the device policy and user policy with the global policy; and in response to detecting a conflict, overwriting the global policy with the one of the device policy and user policy.