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Square Allows Credit Card Payments on the iPhone

A New Way to Make Purchases Via iPhone — Would You Use It?

Twitter co-founder Jack Dorsey recently announced his new company, Square. Square will soon be available on the iPhone and iPod Touch, and allows anyone with a device and a Square account to accept credit cards as a form of payment. Along with the app comes a small square-shaped piece of hardware that plugs into the phone's headphone jack. When accepting a payment, sellers or vendors swipe the customer's card through the device and have them sign, using their finger. If the customer chooses, a receipt can be emailed immediately. (Check out this cool video demonstration.)

A few vendors have been testing out the service for months now, and the list of Beta users is growing. I think it's pretty exciting! To see how I'd integrate Square into my life and to find out about another cool iPhone mobile payment app, just read more.

I'm far more likely to carry a debit card than cash — I could use an app like this to pay my friend back for the $10 she lent me last week. Plus, since the device plugs into the headphone jack in your mobile device, versions for Android phones and BlackBerrys can't be far behind.

It's the latest in mobile payments, which are quickly becoming a trend. Taxi Magic, the app that lets you find and pay for a cab in many major cities, is still one of my favorites. Have you used an app to make a purchase? Would you?

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