Sound-Triggered Smartphone Ads Seek You Out  Attacked in the aisles..oh no | Adweek | Psychology of Consumer Behaviour |
You can pack all kinds of marketing goodness into a smartphone app, but no app is worth the space unless consumers remember to actually, you know, open it.


"..Densebrain devised small beacons--designed to be hidden from view--that can be attached to shelves, and which emit inaudible, high-frequency sounds that trigger smartphone messages. The audio code can also be overlaid onto an existing audio track. As long as consumers have downloaded an app integrated with the technology, the smartphone will respond to the sound without user activation..."