Retired from Procter & Gamble after 27 years. Now consulting extensively. Background in mathematics, working on a wide variety of modeling, supply chain, analysis, expertise, business intelligence and social media applications.
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Report of using a barcode based payment method via a IPhone at some Starbucks. Once you have set it up you can use it to pay your bill via a displayed barcode. Case study of the movement towards smartphones as wallets.
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