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October 21st, 2015, is the date that Michael J Fox travelled to 30 years ago in the classic science-fiction movie, Back to the Future. Few of the film's predictions have come true. So, what would the world be like 30 years from now? Three Â鶹Éç journalists put their time-travelling helmets on to give us their predictions, starting with our technology correspondent, Rory Cellan Jones. (Photo: Artificial intelligence, conceptual computer artwork. Credit: Science Photo Library)
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