Black Friday shoppers leave the Target store in Fairfax, Virginia, on November 28, 2014. Black Friday, the biggest US shopping "holiday," kicked off with expectations that lower gasoline prices and higher consumer confidence could mean better year-end retail sales than last year. But there was little sign of the buying fever of years past, after many retailers started Black Friday sales early, turning Thursday's Thanksgiving Day holiday into what the industry has dubbed "Gray Thursday."      AFP Photo/Paul J. Richards        (Photo credit should read PAUL J. RICHARDS/AFP/Getty Images)