I strongly believe that one of the coolest concepts I have learned is visual thinking.
Then I had the chance of studying Dan Roam‘s remarkable book The Back of the Napkin (Expanded Edition): Solving Problems and Selling Ideas with Pictures (Amazon affiliate link).
Today most of the strategic work I do, I do with a pad and a pen. So, when a few months ago I discovered the work of Sunni Brown, I really saw the value on her work. Here you can see examples of it on the Strategic Doodler Showcase.
Recently she gave a short TED Talk, in which she makes the case for unlocking your brain via pad and pen. Let’s doodle!