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Ways to dial a telephone

posted by Jason Kottke   Dec 05, 2008

In 1960, just before the widespread release of push-button phones, AT&T tested a number of button configurations to see which ones offered the greatest speed and least confusion. The number pattern based on the numbers’ positions on the incumbent rotary dial did well but the company decided to go with the now-familiar 3x3+1 configuration instead.

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