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How to get rich as AI takes over the world

In 2014, MIT economists Andrew McAfee and Erik Brynjolfsson created a new zeitgeist with a book declaring The Second Machine Age — a time of technological advancement as revolutionary as the first machine age that saw the widespread adoption of electricity and the automobile.

Now they are back with Machine, Platform, Crowd, a guide for business leaders through the thicket presented by artificial intelligence, tech companies with tremendous reach, and the power of the crowd.

Thought bubble: McAfee and Brynjolfsson have delivered another smart roadmap for business executives. But not so much for society, for whom they have two simple messages: buckle up, and kill before being killed. That's not good enough. Our political leaders, for starters, sorely need advice for navigating internet-fomented hacking and cyber crime.