Israel’s Dov-e and Gett have teamed up with Coca-Cola Israel, to demonstrate fast response to a TV ad. Dov-e receives an ultrasound signal from the TV ad and activates a smartphone app. If the owner responds, the drinks are delivered within the hour by a taxi from Israel’s Gett.
http://www.timesofisrael.com/ultrasound-tech-plus-gett-taxis-turn-tvs-into-coke-vending-machines/
http://www.fromthegrapevine.com/innovation/sonogram-tech-vending-tv-gett-coke