An essential guide for anyone who conducts research on the internet--including librarians, teachers, students, business professionals, and writers--this fully revised handbook details what users must know to take full advantage of internet search tools and resources. From the latest online tools to the new and enhanced services offered by standbys such as Google, the major search engines and their myriad of possibilities are thoroughly discussed. This revamped fourth edition also features chapters on fact-checking sites and popular social networking sites as well as a collection of up-to-date screenshots for visual reference. For those with little to moderate searching experience, friendly, easy-to-follow guidelines to the world of Web research are provided, while experienced searchers will discover new perspectives on content and techniques.