This graphic is part of the Prototyping class I am taking offered for FREE at iversity.com. I find this simple chart, that a person would fill out, is a good exercise in really getting your thoughts out on paper. I am finding that it is helpful to actually get the idea out of your head, and force yourself to get the ideas out on paper. And it is great to really push yourself to come up with more than one idea. Go for it! And use the chart below to explore the reasons and products you will need for your next prototype.