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Subject Directories: Commercial Yahoo is an example of a commercial subject directory. Subject directories are collections of Web sites that people have selected and organized. |
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 Permission to reproduce Yahoo! Inc.© image pending. |
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have arranged selected Web sites into subject categories and sub-categories.
Sometimes links are annotated so you'll know before clicking on it what a site contains. Many commercial subject directories, such as Yahoo, also have a search engine function. |
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