Square launches, enables cellphones to take credit card payments

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The newest start-up called Square from Twitter creator Jack Dorsey launched Tuesday. The San Francisco company makes a thumb-size plastic gizmo that can plug into an iPhone, a smart-phone running Google’s Android, an iPod Touch or an iPad, unlocking the ability to conduct credit card transactions.

The Square gadget is free, available online at SquareUp.com. Because it’s designed to be plugged into the headphone jack, the company can manufacture one device to work with many phones and consumer electronics. The gadget will eventually support phones from Palm and Research In Motion’s BlackBerry.

The Times Technology Blog has more on Dorsey’s new company.

-- Mark Milian
twitter.com/markmilian