Article Photos: Facebook users hit 'like,' stores jump into action 2/3

FILE - In this Friday, Nov. 23, 2012, file photo, Tashalee Rodriguez, of Boston, uses her smartphone while shopping at Macy's in downtown Boston. Facebook isn't just for goofy pictures and silly chatter. Whether shoppers know it or not, their actions online help dictate what's in stores during this holiday season. (AP Photo/Michael Dwyer, File)