The combination of lower energy prices, innovative information technologies, and advances in robotics and materials science are powering a manufacturing revolution that will reinvigorate the U.S. economy and make many of its industrial sectors the most competitive in the world. 

More is being produced, and fewer workers are needed. Between 2000 and 2010, the United States lost 5.7 million manufacturing jobs.

如果看懂了馬克思的經濟危機理論， 作者就會額頭見汗， 美國的生產關係已經阻礙生產力的發展了。 機器人就是資本主義的掘墓人。