The success of an advertising campaign often lies in the element of surprise. For this public service advert Volkswagen equipped a cinema in Hong Kong with a location-based broadcaster to send everybody in the audience an SMS at the same time. Now watch what happened.

The success of an advertising campaign often lies in the element of surprise. For this public service advert Volkswagen equipped a cinema in Hong Kong with a location-based broadcaster to send everybody in the audience an SMS at the same time. Now watch what happened.