|Car Assembly Line Robot|
The short answer is, they can't, and they will never be able to learn. There are some things, such as massage, that a robot can never replace a human for. Simple tasks such as bartending, equation solving, and car building, yes. But truly human centered tasks, such as massage, acupuncture, chiropractic, and other modalities where intuition, touch, and true responsiveness are absolutely necessary, not so much.
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