Yes thanks - and if anyone watches it, be sure also to check out the stuff on Bob Barton. I learned about a magnificent part of computing history thanks to that talk.

Edit: here you go:

http://news.ycombinator.com/item?id=2855500

http://news.ycombinator.com/item?id=2928672

http://news.ycombinator.com/item?id=2856567

http://news.ycombinator.com/item?id=2855508

The first two are teaser comments. The second two are the important pieces. Also the paper Kay praises at the start of the talk is short and very worth reading.