Plastic or plastic?

A PayPal card sits at a cashier station at a Home Depot store in Daly City, California, in this February 21, 2012 file photo.  Paypal is attempting to wean shoppers from swiping plastic as millions of retail outlets across the United States will take in-store PayPal payments when a partnership with Discover Financial Services goes into effect. REUTERS/Beck Diefenbach/Files   (UNITED STATES - Tags: BUSINESS SCIENCE TECHNOLOGY)

( BECK DIEFENBACH / REUTERS / April 9, 2013 )

A PayPal card sits at a cashier station at a Home Depot store in Daly City, California, in this February 21, 2012 file photo. Paypal is attempting to wean shoppers from swiping plastic as millions of retail outlets across the United States will take in-store PayPal payments when a partnership with Discover Financial Services goes into effect. REUTERS/Beck Diefenbach/Files (UNITED STATES - Tags: BUSINESS SCIENCE TECHNOLOGY)

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