www.ask.com

Another comprehensive search engine that uses a crawler-based technology is Ask.com (formerly called Ask Jeeves). Ask.com claims to go beyond Google in identifying sites that are, not merely the most popular, but most authoritative, based on how often a site is linked to others in its subject. Like Google, Ask.com gives you the option of searching Web sites, images, news, as well as online encyclopedias and dictionaries.

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