Card.io Takes Credit Card Payments on Your Android Phone

Like Square, Card.io is a credit card machine for your phone. But unlike Square, which requires a dongle, Card.io just takes a picture of the credit card to grab all those digits for payment. It's supposed to be secure and Card.io never saves your info, but it's still a little worrying. In any case, it's a really slick form of payment. The Android SDK is available now. [Android Market]

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