What’s the best way to make a presentation on Agile practices? Practice Agile practices.
You could write a presentation “big bang” style, delivering version 1.0 in front of your big audience of 200+ people at Kscope 2011 before anybody has seen it. Of course, if you do it that way, you build a lot of risk into your product. But what else can you do?
You can execute the Agile practices of releasing early and often, allowing the reception of your product to guide its design. Whenever you find an aspect of your product that doesn’t get the enthusiastic reception you had hoped for, you fix it for the next release.