Presentation to the A+DEN ( Architecture+Design Education Network) conference in Chicago, November 6, 2009. More here: http://www.adenweb.org/conference2009/schedule Note: the lion's share of this presentation (slides 1 - 69) are by John Tolva. This PDF does not do it justice. Here it is as a movie: http://ascentstage.com/A+DEN/A+DEN_Tolva-DXO.mov