Near field communication tools continue to hold promise for retailers, though the technology has its limitations, writes David Wachs, senior vice president of mobile at ePrize. Within the realm of NFC tools, ISIS, a joint venture of AT&T, T-Mobile and Verizon, may have the greatest consumer appeal with the mobile application's ability to store credit cards, rewards and coupons as well as tickets and transit passes. But regardless of technology, what is needed is infrastructure and incentives for mobile users to make the payments switch.

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