Admitted, at first I decided to post this (hat tip Boing Boing) with a snarky comment like 'You know you read too much when you see such a presentation and learned nothing!'.
Well, somewhere in the second half I finally found a few new info bits, too.
It's really a good presentation, and not nearly as boring as its duration implies.
And yes, I also found some glitches... 8-).