The "new" version of the audio Captcha mentioned in that video is truly unbelievable. For those that haven't heard it, give it a go here:

http://www.google.com/recaptcha/learnmore (click the small audio icon to the right of the input box)

I turned my volume up pretty high and couldn't understand a single word over all the static in the background and over-distorted foreground audio is unintelligble. Can people actually get that audio captcha right or is that Google trolling people?

LayerOne is one of my favorite conferences every year, and that talk was one of the best I've ever seen. The depth, clarity and cleverness contrasted nicely with the ever increasing intoxication.

Infact the same thing was discussed at 55 mins in.