Babbage: Clash of the titans

As Facebook and Apple go head-to-head over privacy, the impact could be felt across the digital world. We ask Michael Wooldridge, a leading AI researcher, whether artificial intelligence is the answer to the world’s problems, the seed of humanity’s eventual destruction—or neither. And the world would look very different without the LED: we speak to one of the engineers behind this illuminating technology. Kenneth Cukier hosts 

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