creativity

http://www.youtube.com/watch?v=hhCn84U5OTY&t=12m08s

http://www.youtube.com/watch?v=hhCn84U5OTY&t=12m45s

http://www.youtube.com/watch?v=hhCn84U5OTY&t=13m13s

http://www.youtube.com/watch?v=hhCn84U5OTY&t=17m33s