'Back of the Napkin: Solving Problems and Selling Ideas with Pictures' - Brugt bog - Roam Dan

Brand: Roam Dan

Any problem can be made clearer with a picture, and any picture can be made using the same simple set of tools and rules. When Herb Kelleher was brainstorming about how to beat the traditional hub-and-spoke airlines, he grabbed a bar napkin and a pen. Thr

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