After Christmas Shopping ShopperTrak

FILE - In this Dec. 26, 2010 file photo, shoppers make their way in the snow in Union Square, in New York. The blizzard that swept through the Northeast on Sunday and Monday delayed $1 billion in retail spending, according to research firm ShopperTrak, but won't derail a holiday shopping season expected to be the best since 2007. (AP Photo/Mary Altaffer, file)