Consistently provides quality results. Also has an impressive human-compiled directory of web sites. Google Search engine that makes heavy use of link popularity as a primary way to rank web sites. Especially helpful in finding good sites on general topics. GoTo The only major seach engine that sells listings.
Companies can pay to be ranked higher in search results.
Backed by television network CBS, iWon offers a directory of web sites, search features, and a unique marketing model supported by prize-giveaways. MSN Search Microsoft's MSN Search features both directory listings and search engine results. A favorite search engine among researchers. Features a large database with the ability to cluster documents by topic. Includes articles that can be purchased.