In the wake of a scandal involving third-party companies leaking or selling precise, real-time location data on virtually all Americans who own a mobile phone, the four major wireless carriers have responded to requests from a U.S. senator for more details about how the carriers are managing access ...

Your mobile phone is giving away your approximate location all day long. This isn’t exactly a secret: It has to share this data with your mobile provider constantly to provide better call quality and to route any emergency 911 calls straight to your location. But now, the major mobile provider...