Square credit card reader

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Twitter Creator Unveils Phone Credit Card Reader

Dubbed 'Square,' the device will be free

(Newser) - Twitter co-founder Jack Dorsey gave the public its first look at “Square” today, a free credit card reader that will plug into the headphone jack on your phone. Small business owners will be able to plug the 1-inch device into their phone, swipe their customer’s cards, and have... More »

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