We discovered Stephen P. Anderson early on. Then he presented together with Travis Isaacs 4 months ago. 2 years earlier Travis uploaded this presentation to slideshare.net.
Knowledge is distributed along social links!
"I use presentations to unravel a vague idea or requirement to be sure I completely understand all of the facets and details. If I can't clearly explain a topic or idea then I need to go back to the project stakeholder and regroup. In some cases this will uncover holes that need to be address even before I start sketching out a wire frame."
Tips:
- Understand purpose.
- Tell a story.
- Show, don't tell.
- Slides don't make good reading material.
- Don't let chart junk get in the way of your story.
Get the 
Thanks for the link Harald. Glad you enjoyed the presentation!