“The Founder” is a 2016 movie and the true story of Ray Kroc, founder of McDonald’s. Ray was a salesman and, in his travels, he met Mack and Nick McDonald who were running a unique burger joint. They had developed a uniform system based on quality and speed. What made the system work is that they focused on burger, fries, soft drinks and shakes. Other restaurants at the time had broad menus and slower service. As McDonald’s began to expand, Ray Kroc had to continue to pound his message and the business model of a limited menu. Why?