Watching out for Gran with help from her toaster
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As many countries contemplate the best way to care for an ageing population, a common question is how to support the elderly to continue living in their own homes for as long as possible. One idea is to monitor their use of home appliances, such as kettles and ovens.\\n \\nAdvocates say NILM \\u2013 non-intrusive load monitoring \\u2013 offers family and carers an insight into a person\\u2019s daily life without invading their privacy. It could even be used to track or help diagnose long-term health conditions.\\n \\nReporter William Kremer road-tests the technology with his own parents and finds out about a NILM project in Japan.\\n \\nPicture: Getty Images
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