A customer holds a 10 pound British banknote next to a Verifone Systems Inc credit card payment device at a restaurant in London UK on Friday May 22...
{"Image ImageDescription": "A customer holds a 10 pound British banknote, next to a Verifone Systems Inc. credit card payment device at a restaurant in London, U.K., on Friday, May 22, 2015. Credit and debit cards that can be used by tapping the reader are gaining users, and mobile apps are set to further boost the popularity of contactless paying. Photographer: Simon Dawson/Bloomberg via Getty Images", "Image Copyright": "? 2015 Bloomberg Finance LP"}