Ray Kurzweil—futurist, inventor, entrepreneur, bestselling author, and now, director of engineering at Google— wants to live forever. He’s working to make it happen. Kurzweil, whose many inventions include the first optical character recognition software (which transforms the written word into data) and the first text-to-speech synthesizer, spoke to Maclean’s for our annual Rethink issue about why we’re on the brink of a technological revolution—one that will improve our health and our lives, even after the robots outsmart us for good.

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