You can view the presentation online in a Flash player, via the SlideShare website.
You have features like rating and commenting on individual slides.
The PDF version of the presentation with speaker's notes.
This version is available for people with Mac OS X and the Keynote application.
As this talk is released under a Creative Commons Share-Alike license, you'd be able to use this version to re-work the presentation for your own purposes within the bounds of the license.
This is the original version of the talk given live, it still contains the transitions, builds and special effects etc., removed from the versions above (so they would print better).
This presentation is released under a Creative Commons Share-Alike license.
The presentation contains original photographs from Flickr, published using the same license, by the following photographers :