In brevity is success
Blogger/entrepreneur Guy Kawasaki is in league with the minimalist branch of the PowerPoint society.
Tired of sitting through mind and body numbing presentations by people more interested in technique than content, he is evangelizing the 10/20/30 Rule of PowerPoint.
"A PowerPoint presentation should have ten slides, last no more than twenty minutes, and contain no font smaller than thirty points."
If "thirty points," is too dogmatic, the I offer you an algorithm: find out the age of the oldest person in your audience and divide it by two. That's your optimal font size.
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