Another golden insight from Indexed Posted on 14 October 2007 by Diego Rodriguez For my MBA friends (apologies to Dr. Porter)
these diagrams are super excellent. There is a book by David Byrne which came out last year called Arboretum, which also uses visual metaphors/diagrams, although his all take the form of a tree & roots organizations. But there should be books of this stuff.
See also http://www.icastic.com/time/visualize.php
(as blogged on infosthetics today)