Life In 19x19

There was a thread recently where people complained about/mentioned the degrading quality of TED talks.

So I thought, why not open up a thread, where everybody can post links to his favorite TED talks, for our enjoyment.

Myself, I just watched this one and found it worth sharing:

http://www.ted.com/talks/steven_levitt_analyzes_crack_economics.html

That Crack Economics one is one of my favourites as well.

It's not social commentary or razor-edged analysis like a lot of TED, but I remember this one blowing my mind a while back:

http://www.ted.com/talks/ramesh_raskar_ ... econd.html