Kurzweil has an awesome mind. I read somewhere that he predicts greater technological overhaul in the next twenty years than the world has seen in the last 100.
http://www.sciam.com/article.cfm?id=raymond-kurzweil-life-extension-westinghouse
http://www.guardian.co.uk/science/audio/2008/feb/18/raymond.kurzweil
SeasideMan
Pro
I bet he's wrong.
Tom.