Quotes from interview transcripts about how people use PowerPoint productively, many of which I found disheartening. My favorite tip was about knowing when to black out the screen and just talk (you can hit the “b” key at any time to do so).
SCOTT MCCLOUD: As far as my own presentations go there are a few things that I try to do. In my mind I make a distinction between what I think of as magic carpet talks and monkey bars talks.
The problem is not that the software is so difficult. The problem is that it is too easy. My daughters both created slides when they were ten years old. It's not hard at all to start using PowerPoint.
Hit the “B” button on your keyboard. It’s the most important thing to learn about PowerPoint. That's how you blank the screen.