Operations At An Amazon.com Inc Fulfillment Centre As It Prepares For Black Friday [Getty Images]

A Star Wars R2-D2 toy stands on a shelf at the Amazon.com Inc. fulfillment center in Hemel Hempstead, U.K., on Wednesday, Nov. 25, 2015. Wal-Mart and Amazon's toy pricing was almost equal on a three-week average leading into the holiday season, as both companies continue to provide the most competitive prices in the marketplace. Photographer: Chris Ratcliffe/Bloomberg via Getty Images

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