Newsgroups cover a wide range of subjects and attract people throughout the world to exchanger opinions and engage in electronic debates. This book focuses on every aspect of USENET discussion groups - finding, subscribing and contributing - and explains how to avoid making netiquette blunders. It also explains how to navigate the newsgroups to find useful information. An encylopaedic section fully describes the focus, mission and character of nearly 800 useful newsgroups.