I know everyone always says "I know of an excellent Knowledge Management presentation", but you really need to look at this 3 part presentation created by T-Systems, Germany's leading multimedia provider. The content really demonstrates why one should adopt Enterprise 2.0 collaboration tools; and better yet ... the presentation easily stands by itself without audio. Make certain you click to maximize the presentation via SlideShare. Here is the url ... http://www.besser20.de/english/
You may also wish to see my other post from this evening ... a Google Fast Flip Tutorial.