People do their holiday shopping in Manhattan Mall in New York City in November 2014. Retailers may have a harder time filling holiday jobs this year because of a shrinking pool of workers. Andrew Burton/Getty Images hide caption

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The number of catalogs mailed in the U.S. peaked in 2007, according to the Direct Marketing Association. It's come down since then, but last year it reached 11.9 billion. NPR hide caption

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Workers pack items Sunday at an Amazon fulfillment center in Tracy, Calif. Cyber Monday online sales jumped 8.5 percent over 2013. Noah Berger/Reuters/Landov hide caption

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A retail store at the CambridgeSide Galleria mall in Cambridge, Mass., advertises holiday sale, Monday, Dec. 24, 2012. Michael Dwyer/AP hide caption

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Hasbro's pink Easy-Bake Oven is under fire for reinforcing gender stereotypes. Peggy Turbett /The Plain Dealer/Landov hide caption

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The scene at the registers in a Braintree, Mass., Target store on Black Friday. Allison Joyce/Getty Images hide caption

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