If all this sounds a bit familiar, you may be thinking of . The difference here is that your markups stay on each page from one session to the next (so long as the toolbar stays installed); you don't have to visit the WebNotes site to see your collection.

Needless to say, WebNotes can really come in handy. If you've ever longed for a highlighter and/or sticky note for a Web site, give this dynamite service a try.