Clay Shirky on Cognitive Surplus

You may have seen my link to a transcript of this talk if you follow my ma.gnolia feed or

Now (via LaughingSquid) you can watch the video. It’s Clay Shirky’s keynote at Web 2.0 Expo in San Francisco last week, on the “cognitive surplus” as a characteristic fueling mass collaboration.

Interestingly, this seems to break my facebook app. No longer resizes the iframe to the right size? Something is trying to call location.toString() and getting denied – my guess is that is trying to track where the video was embedded and facebook doesn’t allow apps inside iframes to access parent location.

You can see all the Web 2.0 Expo videos at or put this rss url into Miro and get a channel: