The Science of Presentations

I've been learning about presentations lately. Since I'm "into" design and visual ways of communicating, the principles of effective presentations: more visuals, less text, no bullet points, are easy to understand. It amazes me how many people don't know about this stuff. Here's a great talk about presentations. It's a little long (17 minutes) but will change the way you do presentations from now on.
The Science Of Presentations

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My cliff notes:
*People receive information in two ways: auditory (hearing) and visual. The most effective presentations will combine auditory and visual means to present information.
*People can only receive so much information at a time, some scientists say our "working memory" can only handle seven "pieces" of information.
*If people are reading text, they are converting from visual to auditory information. So if people are reading text on a slide, they are no longer listening to the speaker.
*Slides should contain primarily visual information. If there are words, only use a few.
*All the information should be "cohesive." So take out anything that's extra. A few words on a white background is effective.

Interesting stuff, eh? :)