Usually we start right of with opening power point and start making slides. In the video above the argument is made that this habit is to soon, it explains clearly why. Several other methods used when making a presentation calls for makings slides far way up on the road to building your presentation. The presenter in this video is known for his Extreme Presentation Method. With this previous link you can see the 10 steps for building a presentation with this method. You can also download a pdf file of the Extreme Presentation Method overview and print it out. I have reviewed the book mentioned on the website here: The Extreme Presentation Method.
Surely other methods are also available for making a presentation, another one is Beyond Bullet Points or Resonate by Nancy Duarte, her company made the famous presentation by Al Gore with his presentation: An Inconvenient Truth.