Eddie Lee has created an app that lets him steal a credit card by simply waving his Samsung Nexus S phone over a leather wallet tucked into the back pocket of a stranger’s jeans. He can then walk into a nearby store and tap his phone at a cash register to charge a sandwich, a coffee—or even a flat-screen TV—to the card.
Fortunately, Lee’s not a thief but a security expert paid to find vulnerabilities in wireless payment technologies.
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