Drill Down Server (Demo : http://www.telcontar.com/contact/index.html) : http://www.telcontar.com/demos/dds.html technology used by GoogleMaps +

http://www.nixlog.com/infographics/ (a running collection of links to infographics found on the web) : Often more powerful than words or imagery alone, infographics utilize visual elements of design and words to convey a message in such a way that context, meaning and understanding are trancended to the observer in a manner not previously experienced. Historical perspective : http://www.math.yorku.ca/SCS/Gallery/historical.html and
Milestones in the History of Thematic Cartography, Statistical Graphics, and Data Visualization : http://www.math.yorku.ca/SCS/Gallery/milestone/

Information mapping : http://weblog.infoworld.com/udell/2003/01/15.html

"A meeting of minds comes easier when no one minds the meeting." - ?