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@ummodern Yes it did! A very fine book! https://t.co/RMm8sGdyjS
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@AlwaysBCoding Have you read https://t.co/uUvi5JpKBL and Dee Hock's One From Many on (2)? Highly recommend both.
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13/ The End! From Electronic Value Exchange: Origins of the VISA Electronic Payment System https://t.co/9TRAdmPSr9