If you don't know what your problem areas might be, or you don't know the specification of the computer or projector your presentation might be shown, play it safe. Use the simplest palette around, the 16-color VGA palette, and avoid dithering, shading, and fountain fills. Set your text in Arial and Times New Roman, and don't assume you have access to anything more distinctive. That doesn't mean you have to forego any chance of creating effective and well-conceived slides. Don't Use Obnoxious Bullets Most presentation programs give you many choices for bullets.
Bullets signify a list, containing items that are related in some way.
They don't deserve VIP status. Use them sparingly and, when choosing which to use, stick with the less prominent bullets such as the traditional round or en-dash. Every time you resist the use of a bullet, transition, or other effect, you score sensibility points with your audience. This may only register subconsciously with them, but I promise you that it makes an impact. You should expect today's audiences to be mature and technology-wise.