Brainstorming is a way of development new ideas. If can be more productive than writing idea on paper in a linear format, because it free your thinking power from the straitjacket of more logic. When we use a linear approach to note-taking, we are using only the left side of the brain, the side that deals with logic, lists, lines, words, numbers and the ordering of information. We are encouraged to use this side of the brain at school because it is thought to be the most important.