It’s only a matter of time before your mobile phone swallows up yet another piece of technology: your credit card.In this not-too-distant future, rather than pay for gas or dinner with a piece of plastic that you slide through a machine, you will simply tap your phone to pay the bill. For this to become standard in the United States, a number of technological changes need to happen, and companies are already working on them.
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via The Technology to Make Mobile Payments a Reality – NYTimes.com.