Radio frequency identification is a way to automatically identify an object, animal or person that is equipped with a special tag. It's been seen as a revolutionary way to help companies stay on top of multimillion dollar order shipments and track components from the manufacturer all the way to the retailer. While Wal-Mart, Target and other retailers have begun to require suppliers to use RFID tags on shipments, there have not been as many full-scale roll-outs of the technology as originally hoped and many companies have had a difficult time building a business case for RFID
