In an article titled "iPhone credit card swipe war heats up", Jessica Bruder writes for CNNMoney.com about several new approaches to enable iPhones to become point-of-sale devices for payment card acceptance: Square, VeriFone Payware Mobile, and Mophie - among others. Bruder writes: "They're battling each other for the hearts -- and wallets -- of mobile merchants, promising an improvement over the clunky, hardwired credit card terminals that have been a staple of brick-and-mortar commerce for decades."

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