This book includes both theoretical information about Radio Frequency Identification (RFID) technology; comparisons with other technologies; plus real life applications profiles. This book, more or less, is organized in such a way that it supports Experts opinion about how RFID can be implemented, particularly in Supply Chain Management, and therefore, is focused in logistics issues without over-passing other important areas. Part 1 of this paper contains basic information about RFID technology and presents how this technology works. Part 2 of this paper contains detail analysis of other automatic identification technologies and the level of competitiveness vis a vis RFID. Part 3 of this paper presents an original idea, and it illustrates an example of a warehouse organized via RFID systems and "state of the art" or AI supporting equipments.