Suppose You look at a film and sole inaudible secret hyperfrequency code is emitted (embedded in the sound track) that your poor biological ear cannot perceive but of course Your Iphone can. Your Iphone opens a browser page to this encoded IP adres. Science Fiction ? no more . Check the app at SonicNotify.. demo included
Sonic Notify demo 1.0 from Densebrain on Vimeo.
Hé . it really works !