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http://www.bbc.co.uk/programmes/p02nrtvg
The rise of the chat-bots
Apps are on the decline. What is set to take their place are so-called 'chat bots', programs into which consumers will be able to type instructions, questions and orders - and which will be able to intelligently obey their commands. BBC Technology correspondent Rory Cellan-Jones and lecturer in Robotics at Bristol University Dr Sabine Hauert discussed this new technological innovation. (Image: Robot. Credit: Thinkstock)