"Tafiti" Search Visualization (w/source code) - תראו את זה
Tafiti, which means "do research" in Swahili, is a search visualization site that brings a new user experience to researching (searching and storing results). Tafiti uses both Microsoft Silverlight and Live Search to explore the intersection of richer experiences on the Web and the increasing specialization of search.
Read more download the code & view online demo :
http://dev.live.com/blogs/devlive/archive/2007/12/17/186.aspx