Stewart Brand: Why squatter cities are a good thing

http://www.ted.com Rural villages worldwide are being deserted, as billions of people flock to cities, to live in teeming squatter camps and slums. And Stewart Brand says this is a good thing. Why? It'll take you 3 minutes to find out. Music: Brian Eno, "Just Another Day on Earth," from his 2005 album Another Day on Earth (Hannibal).