sao paolo has banned all billboards and outdoor advertising. even window displays. even places like citibank or versace are identifying themselves by only painting their buildings bright colors.

this photographer has been following it: try the slide show. http://www.flickr.com/photos/tonydemarco/sets/72157600075508212/

and, on the media had a story http://www.onthemedia.org/transcripts/2007/04/20/04