PUBLIC MARKS with tags clipping & bookmarks

Clippr bears some similarity to the social bookmarking tool Del.icio.us, in that it allows users to tag and archive content from the web. However, where del.icio.us revolves around the concept of the 'bookmark', Clippr's main building block is a 'clipping'. A clipping is either a textual excerpt taken from a webpage or an article from an RSS feed. Both these types of clippings are treated in the same way by Clippr. (not online yet)

Several powerful features are seamlessly integrated to make Diigo a real "power extension" and must-have for anyone who browses a lot of stuff online.