For Elon Musk, the term artificial intelligence conjures apocalyptic scenarios of autonomous robots wreaking destruction in a world dominated by hyper-intelligent machines. Stephen Hawking foresees a future in which smart machines replace sluggish humans across a range of activities, driving million...

For Elon Musk, the term artificial intelligence conjures apocalyptic scenarios of autonomous robots wreaking destruction in a world dominated by hyper-intelligent machines. Stephen Hawking foresees a future in which smart machines replace sluggish humans across a range of activities, driving million...

For Elon Musk, the term artificial intelligence conjures apocalyptic scenarios of autonomous robots wreaking destruction in a world dominated by hyper-intelligent machines. Stephen Hawking foresees a future in which smart machines replace sluggish humans across a range of activities, driving millions out of work.

For Elon Musk, the term artificial intelligence conjures apocalyptic scenarios of autonomous robots wreaking destruction in a world dominated by hyper-intelligent machines. Stephen Hawking foresees a future in which smart machines replace sluggish humans across a range of activities, driving millions out of work. Last month Bill Gates, speaking at the World Economic Forum in Davos, imagined a gentler future – one with longer holidays and more free time. "The purpose of humanity is not just to sit behind a counter and sell things, "he said. We can all speculate about the future.