Putting a summary slide as page 1 in your PowerPoint presentation is tricky.
- A diluted and boring summary might turn the audience off ("let's check email on my phone")
- A summary chart might "give away the point" of your presentation too early
- Some presenters might get stuck on page one and tell the whole story without using any other slides (sometimes this can be a good thing, a presentation with PowerPoint)
Now that I come to think of it - a good summary chart is like a good headline