Walk by the billboard for the new A&E show “Paranormal State” on Prince Street in Manhattan, and you could find yourself targeted by a narrow beam of sound projected from the ad using technology from Holosonics, which specializes in creating “audio spotlights” that are audible only to the person whose cranium they hit. It’s possible that not even earplugs will keep the beam out; according to Ad Age, “the sound is contained within your cranium.
—
Billboard Blasts Passers-By with Audio Advertisement | Listening Post from Wired.com
this terrifies me.
