In the last three decades as some manufacturing has moved to other countries, the US economy has more than trebled by moving up the economic ladder through continuous innovations, past outdated manufacturing to services and the production of knowledge.
The incredible advances that have been made to medicine and health care in the developed world over thepast 100 years have been based on continuous development, on marginal improvements, each one driving the next advance and each one building on the last, until we have reached the stage we are at now.