Click for more . The versatility that makes PowerPoint so great can also be its worst enemy. Newbie users cram presentations with distracting animations, sound and video. Forget most of them. Use sans-serif fonts, such as Helvetica, when using a projector.
Serifs look fuzzy.
Use only one sans-serif font. Don't use italics unless necessary. Use white text on dark background or dark text on a light background. Size does matter Presenting from a laptop is much different than using a projector. A 1-inch letter is readable from 10 feet.