First it was LAN, then Bluetooth, then Wifi and now SOUND.

What if we told you inaudible sounds around you could transfer data without internet, GPS or bluetooth and that too with minimum or no effort. You could get to know about discounts and promotions of each place you passed by, make secure payments in all currencies, get checked-in automatically, have smarter premises, verify logins and more. The Internet of sound tech doesn’t even require any additional hardware installation. Check out Trill a proximity intelligence app.