If you wish to include useful information that should only be visible to you (the speaker) during your next PowerPoint presentation, here's how to do that.

With two monitors, run PowerPoint or Keynote in full-screen mode to see your notes and gain presenter tools, and you can’t see people in the presentation—especially important for teachers.

If you want to learn how to make use of the Teleprompter feature within Microsoft PowerPoint, then the information here will explain all you need to know.