Cash-free payment is the futureTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoJana Wochnik-Sachtleben12/22/2015December 22, 2015The future of shopping is no doubt digital. Brick-and-mortar retailers will have to bend over backwards to keep up with technology and hold on to customers.https://p.dw.com/p/1HRdXAdvertisement