I really enjoyed this talk by Jimmy Wales at LWF11.
Jimmy Wales is the US Internet entrepreneur and wiki pioneer best known as the founder of Wikipedia. “Imagine a world in which every single person on the planet is given free access to the sum of all human knowledge” Jimmy asks us in this talk and discusses how Wikipedia has grown, the impact it has made and the people who contribute to its creation. Jimmy discusses future directions and plans for Wikipedia and Wikia, Inc. Presented January 11th 2011.
I mentioned this recently in the final ALT-C Keynote.