Shoppers browse handbags on sale at a Bloomingdale's store in the Westfield San Francisco Centre in San Francisco, California, U.S., on Friday, Nov. 23, 2012. To get shoppers to spend more than last year, retailers have continued to turn Black Friday, originally a one-day event after Thanksgiving, into a week's worth of deals and discounts. Photographer: David Paul Morris/Bloomberg via Getty Images
