Communication Systems provides an introduction to the variety of ways people use technology to communicate. The text has been extensively revised for the 2000 edition to reflect the rapid pace of change in the communication field. In addition to many new illustrations and information on such topics as cellular communication, the Global Positioning System, and the World Wide Web, the text includes a new chapter devoted to leadership and skills for success. Text format covers topics in an easy-to-learn sequence with numerous illustrations to aid comprehension. Activities are included that allow students to apply their knowledge and reinforce important concepts.