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tedster - 3:57 am on Apr 30, 2009 (gmt 0)
[youtube.com...] Warning - this is a poorly shot video from an visual information standpoint. Wolfram is clearly demonstrating things on a screen in the room that is never shown.
For those who can take in a nearly two hour video - here's the sneak preview webscast of Wolfram¦Alpha from Harvard's Berkman Center.