PowerPoint can be a useful tool for illustrating points in a speech, but it should not replace the spoken content. When used effectively, PowerPoint enhances the speaker and speech, not overpowers it. The document provides 9 tips for using PowerPoint in a way that maintains focus on the speaker and speech, including using few words per slide, limiting animations and transitions, rehearsing without relying on slides, and focusing the audience on the speaker, not the screen.