For the last few weeks, I've covered techniques that you can use to design better presentations. We talked about ways to start a speech first. Then, we covered how to design a good presentation. Next, we covered how to end a presentation. For the next couple of episodes, though, I'm going to share a few secrets about designing presentations that may also come in handy.Today, I'll give you a very simple three-step process to help you make your presentations more persuasive. This simple process works very effectively if you are trying to sell an idea or a product to your audience.