
"It would be easy to dismiss Diigo as yet-another social bookmarking tool, but that would be a big mistake. Diigo's highlighting, bookmarking and site sharing tools are a subset of features in a rich collaborative application that puts information discovery and the writable Web at the center of discussions among colleagues, friends, and like-minded people. Diigo represents a move to maturity in the Web 2.0; it is a business tool, leveraging social models to deliver real value to its users."
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I can tell the Diigo toolbar to show me whenever a page I��m on has had notes left by myself or other users, whichever I prefer. I can leave stickynotes, private pop-up annotation, attached to any highlighted text and those notes will remain available whenever I return to the page later. I can also email a copy of any page, marked up with my notes, to people who are not Diigo users and they will still be able to see my annotation. Very cool.
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How helpful is it to bookmark a Web site if you need only one sentence from that 3,000-word article? Diigo is a free bookmarking service that lets you do what we wish Yahoo's Del.icio.us would: highlight text and comment on Web pages. Diigo caches each site so that you can search within text, not just the topic tags. And you won't have to leave the Del.icio.us community, since Diigo lets you save bookmarks simultaneously in both places.
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