“Pushing more shoppers to scan their own items and make payments without the help of a cashier could save Wal-Mart millions of dollars, Chief Financial Officer Charles Holley has said. The company spends about $12 million in cashier wages every second at its U.S. Walmart stores.”
Reference: Wohl, Jessica, Wal-Mart tests iPhone checkout app, Reuters, September 3, 2012
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