The fact that walmart is using rfid raises a series of questions is this a new direction can other retailers be far behind can anyevery company benefit from the technology even if downstream retailers or wholesaledistributors are not using it is there some way to reduce supply chain costs without investing in rfid these questions spawn other questions. Confusing and conflicting answers hinder understanding and lead to halftruths and hype. This essay will discuss rfid in the context of reducing supply chain costs. And it offers a strong remainder understand your processes first, then find the technologys to improve them.