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  Nest learning thermostat pictures and hands-on

  By Paul Lamkin 17 January 2012

  Thermostats are dull aren't they? But they do control half of the money that you fork out every year on energy, so it pays to have a good one. And by good one we, of course, mean one that looks like HAL from 2001: A Space Odyssey. Unlike HAL though, the...