The document discusses various aspects of web searching across different search engines and databases. It notes that while the main search engines like Google, Yahoo, and Live Search have significant overlap in their indexed databases, there are also differences that can lead users to switch between them. It provides examples of features within and between search engines that allow switching databases or tabs. The document also summarizes differences in the types of databases each search engine covers and capabilities for personalization, answers/question-and-answers, and advanced search features.

1. Web Searching for All MLA Conference Helena, April 27, 2007 By Greg R. Notess

31. Questions? This presentation searchengineshowdown.com/booksearch/cil07