Target shoppers Kelly Foley (from left), Debbie Winslow and Ann Rich use a smartphone to look at a competitor's prices while shopping shortly after midnight on Black Friday, in South Portland, Maine. Robert F. Bukaty/AP hide caption

itoggle caption Robert F. Bukaty/AP

Alan Shull attends a job fair in Portland, Ore., on April 24. Rick Bowmer/AP hide caption

itoggle caption Rick Bowmer/AP

Federal Reserve Chairman Ben Bernanke talks to educators Aug. 7 in Washington, D.C. At their most recent meeting, many Fed members backed action to boost the economy. Manuel Balce Ceneta/AP hide caption

itoggle caption Manuel Balce Ceneta/AP