March 13th, 2008
On July 20, 2007, Bryan Laubscher gave a talk about the Space Elevator at Microsoft. It has just (I think) been posted on the web. You can access it here.
If anyone is looking for a primer (or refresher) about the Space Elevator and its benefits to humanity, this is the video to watch.
(Pictures are screenshots of the presentation. Click on them for a larger version)