Simple made easy

http://www.infoq.com/presentations/Simple-Made-Easy

Rich Hickey's presentation which received a standing ovation from Dr. Sussman.

>>6
State isn't bad. Purely functional languages have to simulate state using kludgy hacks such as monads. However, abusing state can make a program much harder to debug and maintain than necessary. That's why it should be used carefully.
Of course, a good programmer knows when to use functional style and when to use imperative style.

That said, I haven't listened to that presentation.