Square Shows How Smooth iPhone Credit Card Swiping Can Be [VIDEO]

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If you aren't familiar with Square, it's a mobile payment processing service founded by Twitter Co-founder Jack Dorsey. Well-funded and ambitious, Square aims to become the standard for mobile payment processing, especially for small businesses.

Check out a video of Jack Dorsey's presentation of Square at this year's DEMO conference, in which he explains what Square is about and why he prefers Square's growth to be slow, but without glitches.