Info on swipeless cards easier for thieves to swipe

Too lazy to swipe your credit card? You may not have to.

Millions of credit cards now contain a tiny wireless computer known as a radio frequency identifier. Their practical utility is that they can be used to buy goods at thousands of merchants without having to physically swipe the card through a machine. Data is relayed by radio waves.

You can literally save seconds, if that matters to you. But what matters to some researchers is that the cards may make it easier for thieves to steal private information.

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