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"Han the Robot" waits on stage before a discussion about the future of humanity in a demonstration of artificial intelligence (AI) by Hanson Robotics at the RISE Technology Conference in Hong Kong on July 12, 2017.

Artificial intelligence is the dominant theme at this year's sprawling RISE tech conference at the city's harbourfront convention centre, but the live robot exchange took the AI debate to another level.

(Photo by ISAAC LAWRENCE / AFP) (Photo by ISAAC LAWRENCE/AFP via Getty Images) ...