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Cell phone advertising -- United States. : The collection and use of location information for commercial purposes : joint hearing before the Subcommittee on Commerce, Trade, and Consumer Protection and the Subcommittee on Communications, Technology, and the Internet of the Committee on Energy and Commerce, House of Representatives, One Hundred Eleventh Congress, second session, February 24, 2010.
Cell phone calls. : Cell phones and distracted driving : selected research / editor, Sidney C. Houghton.
Cell phone services industry -- Government policy -- United States. : Disconnected : rural broadband and the business case for small carriers : hearing before the Subcommittee on Health and Technology joint with Subcommittee Agriculture, Energy, and Trade of the Committee on Small Business, United States House of Representatives, One Hundred Fifteenth Congress, second session, hearing held March 6, 2018.
Cell phone services industry -- Mergers -- United States. : The AT&T/T-Mobile merger : is Humpty Dumpty being put back together again? : hearing before the Subcommittee on Antitrust, Competition Policy and Consumer Rights of the Committee on the Judiciary, United States Senate, One Hundred Twelfth Congress, first session, May 11, 2011.