The role of marketing in innovation is almost always down played. The real battle with vaccination wasn't so much having the idea or discovering the procedure, it was persuading people to change their behaviour sufficiently to adopt it. Nearly all good ideas domin jobs was a marketer first and a technology second. It's better for your status as engineer to claim that your product success derives from superior product design than from superior marketing. But anctually, if you look at the great american inventors, i mean, eison was one step away from p t. Lipton, the tega uca, effectively a showman. Otis the elevator. Used to go to fair grounds and actually