Before Silicon Valley became a world-renowned technology hub, the home of US innovation was in Dayton, Ohio. It's almost impossible to go one day without using one of its inventions. But how is it faring now?
One particular valley springs to mind when thinking of American innovation. It's where brilliant engineers and scrappy entrepreneurs tinker late at night in their garages, until they come up with the perfect solution to a problem. And then they found start-ups that make them fabulously wealthy.
