INFO VISUALIZATION:There are a number of fun information visualization / communication projects over at International Networks Archive.
They are too noisy for a serious or directed analysis of a subject, but I think it's pretty clear that they are intended to be exploratory and artistically engaging and not the basis for serious, empirical information conveyance. Like Fahrenheit 9/11, you could say. :-)
My favorite is the Starbucks Map at the bottom.