There a book built around this concept: http://www.thebackofthenapkin.com/ http://www.thebackofthenapkin.com/ I'm not a salesman, so I've never tried this tech

There a book built around this concept: http://www.thebackofthenapkin.com/ http://www.thebackofthenapkin.com/ I'm not a salesman, so I've never tried this technique for sales, but I'm always surprised how much better people can understand things when I diagram them in real time using a piece of paper than with any fancy infographics I might have carefully constructed ahead of time.