Verizon Wireless has begun selling information about its customers’ geographical locations, app usage, and Web browsing activities, a move that raises privacy questions and could brush up against federal wiretapping law.

via Verizon draws fire for monitoring app usage, browsing habits | Politics and Law – CNET News.

Verizon Wireless’ marketing literature acknowledges that it sells “mobile-usage data that offers insights on the mobile-device habits of an audience, including URL visits, app downloads and usage.” (Not all carriers do: Google guarantees that its proof-of-concept Google Fiber project “will not engage in deep packet inspection” except when necessary to fend off network attacks.)