public art

 http://www.publicadcampaign.com/2009/08/kamas-escalator-animation-tests.html

there's a link I like, here's one to hate..in fact, I challenge you to actually read the pages reprinted in the article

http://gawker.com/5335939/behold-the-book-behind-sarah-jessica-parkers-sex--the-stroller-set-show