Grokker provides research-intensive organizations with a better way to retrieve, explore and leverage their information assets. It will give you an "Outline" OR a "Zoomable Map" results page. I would suggest you try it by entering "Web 2.0" in the keyword line.
Impressive. Click here to view the "Web 2.0" keyword search results
This post first appeared on Web 2.0 For Knowledge Management & Collaboration, please read the originial post: here