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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 ÃÛÑ¿´«Ã½ 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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