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

toggle caption Noah Berger/Reuters/Landov

DeLisa Tolson signed up for health insurance at a retail store set up by Connecticut's exchange. She says she was so happy with the experience, she told all her friends. Jeff Cohen/NPR hide caption

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