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

itoggle caption Noah Berger/Reuters/Landov

Shoppers Manuel Orellano, middle, with his daughter Marcela, left, and her son Manuel, 6, shop for children's clothing at JCPenney at Glendale Galleria shopping mall in Glendale, Calif, on Friday. Damian Dovarganes/AP hide caption

itoggle caption Damian Dovarganes/AP

Apple CEO Tim Cook speaks in Cupertino, Calif., on Tuesday. The company unveiled a new mobile payment system called Apple Pay, which uses security built into the latest iPhones. Justin Sullivan/Getty Images hide caption

itoggle caption Justin Sullivan/Getty Images

Each year, millions of Americans don't fill their prescriptions because they can't afford to. Maya Kovacheva Photography/iStockphoto.com hide caption

itoggle caption Maya Kovacheva Photography/iStockphoto.com