if you haven't seen this before, it's definitely worth the 5 minutes to watch. there aren't too many tech conferences that are this exciting to watch:

http://www.ted.com/index.php/talks/view/id/129

while you are at it, you might also want to browse over to the various UIs of the future. some of the tech multi-boxers would find useful (like multi-point touch sensitive displays and input areas)

http://www.smashingmagazine.com/2007...of-the-future/