For use as a primary text for courses on using the Internet, or as a supplement for computer literacy courses that cover networking or the Internet. Fully revised and updated throughout, this text explains – in non-technical language – the technology of how computers communicate, what the Internet is, how the Internet works, and what the Internet can do for people. Students connect to the material through Comer’s solid overview that focuses on the “big picture,” rather than the minute details. No background in computer networking or the Internet is assumed.