This document discusses RFID (radio frequency identification) technology. It describes the basic components of an RFID system including RFID tags, readers, and application software. It outlines the different types of RFID tags and their operating frequencies and read ranges. The document also provides examples of RFID applications in various industries and the results of a survey on opinions about RFID technology and its potential uses. It concludes with a discussion of both the positive and negative aspects of RFID systems.