Tags and Web2.0
Michael Stein's Non-profit Technology Blog
OCTOBER 19, 2005
The Wikipedia article on it is clean and concise and points to a lot of important sites. Del.icio.us , as the article points out, is the mother of all social bookmarking sites. And if you frequently do research on the web and need to save pointers to a great many sites, you will immediately see its value.
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