Grolsch Lifts the Lid on Bluetooth Bottlecaps Providing Free Movies
Grolsch beer has launched a digital initiative called the ‘Movie Unlocker’, which provides free movies for customers who link bottles to their smartphones using cap-mounted bluetooth in a scheme designed by Russian app developer Heads and Hands. Using a Bluetooth beacon in the bottlecap activated when tapped against a mobile device Grolsch has advanced its […]