Here's a post with timeless advice on how to put the kind of visuals in your presentations that people will instantly understand. If you are one of those people who believe that you should cram as much information as possible into your presentations, you may want to read this post from by Nancy Duarte for the Harvard Business Review .

A few salient points:

  • An audience can't listen to your presentation and read detailed, text-heavy slides at the same time.
  • Your audience should focus intently on what you're saying, looking only briefly at your slides when you display them.
  • People learn more effectively from multimedia messages when they're stripped of extraneous words, graphics, animation, and sounds. Lots of extras actually take away meaning because they become a distraction.
  •  Five design principles that will help you simplify your slides so they'll pass the glance test.
Click on the image below to read Nancy Duarte's post, it only takes a couple of minutes. It's great advice and time well invested!