That was good. Short and succinct.

Oddly enough, I had just listened to Bikman on the subject a couple days ago. Also a good presentation.
https://www.youtube.com/watch?v=mjvB3Fg42D8&pp=ygUaZHIgYmVuamFtaW4gYmlrbWFuIGxhY3RhdGU%3D#mce_temp_url#

Bikman quotes some of Brooks research work. A bit deeper dive.