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Jack Dorsey of Square for Fortune Magazine

by Winni Wintermeyer on February 7, 2011

Jack Dorsey of Square and Twitter
Jack Dorsey, the creator of Twitter, has a new company that makes it easy and affordable to accept credit card payments. Those little white & square card readers are popping up everywhere these days, even at my favorite ice cream storeĀ Humphry Slocombe. Upon closer inspection I discovered that it involves a simple tape head reader – like the one I used to battle with in my old cassette player. It converts the swiped information into audio signals that can be fed into a mobile device. Very smart indeed. Great way for small businesses to avoid the big, greedy banks.

Portrait and instructional photographs can be found in the February issue of Fortune magazine.

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