What might Artificial Intelligence bring to humanity?

"An economist is a person who sees something that works in practice and tries to figure out whether it will work in theory." "Every misspent dollar in our health care system is part of somebody's paycheck. There is not complementary and alternative physics, or chemistry, or biochemistry, or engineering. These disciplines compare their ideas against reality, and, if the ideas are found wanting, abandoned." The use of computer data is a multi-edged sword.