Y&R Wins Media Grand Prix for App That Lets Women Call for Help by Shaking Their Phones

4 U.S. campaigns win gold

CANNES, France—Another female-empowerment campaign has triumphed at Cannes, with the Media Grand Prix going to a fascinating Vodafone app from Y&R Istanbul that lets women in Turkey call for help simply by shaking their phones.

@nudd Tim Nudd is a former creative editor of Adweek.