Book excerpt: This book explores the essentials of RFID and the EPCglobal Network from the perspective of a practitioner that needs to make business decisions concerning the adoption of the technology. The perspective is from the supply chain management standpoint with emphasis on case studies and new thinking about the subject. The EPCglobal Network and RFID technology holds great promise for transforming business through the use of low-cost, radio frequency identification (RFID) tags to improve information flow and productivity.