According to Knowledge@Wharton, “In March, PayPal will enable its users to pay through their mobile phones, tablets, or iPads at 2,000 Home Depot stores across the U.S., and by the end of the year at 20 other national retailers. Mobile payments are rapidly gaining popularity, but large scale adoption will depend on consumer perceptions of security and the pricing of such services, according to Wharton faculty.”

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