Tech Giants Are Paying Huge Salaries for Scarce A.I. Talent

To bring in new A.I. engineers, companies like Google and Facebook are running classes that aim to teach "deep learning" and related techniques to existing employees. And nonprofits like Fast.ai and companies like Deeplearning.ai, The basic concepts of deep learning are not hard to grasp, requiring little more than high-school-level math. But real expertise requires more significant math and an intuitive talent that some call "a dark art." Specific knowledge is needed for fields like self-driving cars, robotics and health care.