The franchise and the virus work on the same principle, what...

The franchise and the virus work on the same principle, what thrives in one place will thrive in another. You just have to find a sufficiently virulent business plan, condense it into a three-ring binder ― its DNA ― Xerox it, and embed it in the fertile line of a well-traveled highway, preferably one with a left turn lane. Then the growth will expand until it runs up against its property lines.