McDonald’s will introduce a new e-coupon system that it is currently testing in Japan. Called the Kasazu coupon (or contactless) it is a payment application that is downloaded into your phone and is then placed on top of an RFID reader by the user for instant payments and coupon redemption. According to the press release, McDonald’s will begin using the tech in 175 stores and eventually expand it to the other 3,800 stores in that country. There’s no word on when they expect to move this option to U.S. stores. [NewLaunches ]