I saw 'An Inconvenient Truth' last night and I couldn't help but think, 'This is one long commercial about Apple.' Al Gore is seen, in almost every scene, sitting at his Powerbook fiddling with his presentation in Keynote, or giving his presentation with his Powerbook front and center. Apple has posted
an article detailing the use of Keynote during the production of the film, and why it was used (ease of use and the ability to import HD video top the list).
I must say that the presentation looked great, and I bet Al didn't even have to pay for Keynote (he is on Apple's board