Google - Enables users to search the Web, Usenet, and images. Features include PageRank, caching and translation of results, and an option to find similar pages. The company's focus is developing search technology.
Froogle - Google's product search engine and shopping directory. Presents photographs of products and links to the stores that sell them online. Options to narrow search by price range, and view results as a grid of images.
Google and Dmoz - Are They in Love? - Jean Manco considers the relationship between the Web's most popular search engine and its largest, most comprehensive, human-edited directory.
Google Catalog Search - Search and browse mail-order catalogs online. Focuses on standard U.S. mail-order product catalogs which have prices printed in them and are designed to help customers make a purchase immediately.
Google Dance - Describes in some technical detail how Google updates its index.