This is a talk I gave in February 2011 at the Stamen Design Data and Cities Conference. It is a continuation and a variation of a talk I did in January 2011 at UCLA. Image credits are included at the end of this presentation and there is a PDF version (27MB) available for download. (Also, this blurb will go away once you move on to the next slide, either by clicking the next and previous links below or using the arrow keys on your keyboard.)