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

FILE - In this Thursday, Nov. 22, 2012, file photo a shopper uses her smart phone at the Pembroke Pines, Fla. Best Buy. 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/J Pat Carter, File)