The four largest wireless carriers in the U.S. explained in recently released letters to Congress how they collect and store their subscribers' location data. Verizon Wireless, AT&T Mobility, Sprint Nextel and T-Mobile USA all said they do not sell the data they collect and that they make all efforts to secure it.
A sample of Verizon's proposed warning sticker read: "This device is capable of determining its (and your) physical and geographical location and can associate this location data with other customer information. To limit access to location information by others, refer to the user guide for Location settings and be cautious when downloading, accessing, or using applications and services."
Verizon noted in its letter that it keeps user's location details and other data for seven years but said it only provides such information to law enforcement when legally requested. The carrier said it does track user habits for internal marketing purposes and collects the location data for "various service and operational purposes."
Verizon Online Store by Google
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