The document summarizes Radio Frequency Identification (RFID) technology and its applications in modern libraries. It discusses how RFID uses radio waves to automatically identify items like books and track them. RFID can automate library processes like checking items in/out, inventory tracking, and security. The document outlines the key components of an RFID system and how it works. It also discusses benefits like reducing staff work and preventing unauthorized book removal, as well as challenges like high initial costs. Major implementations have occurred in North American and European university libraries.