Jul 12, 2013 08:28 PM EDT
Bone Conduction: The New Front in Guerilla Advertising
Imagine this scenario: after a long day of work, you settle in a train seat, rest your head against the window and close your eyes for a well-earned nap – only instead of the soothing clickety-clack vibrations of the carriage, you hear a deep, jaunty voice – seemingly in your head – urging you...