How Do Smart Homes Work?

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Imagine you arrive at school and realise you forgot to feed the dog. No problem. Pull out your phone and command the dog dish to dispense a serving of food. That's all there is to it - if you live in a smart home. What once sounded like science fiction is now a reality for some families. People use smartphones and other devices to lock doors, turn on lights, close window blinds and check to see how much milk they have in the fridge. Find out how this technology works and what the future holds for smart homes.