Highlight and Share the Web!
Diigo is a powerful research tool and a knowledge-sharing community
Diigo WebSlides Previews at Office 2.0
bookmarking version of notes. kind of like what I am doing here with WordPress
You can leave “sticky notes” and highlights to indicate notes and further discussion around a particular area of a web page. This is useful for teams, as other team members can add to the sticky notes as well.