The wearable technology market is booming, with half a billion wearables sold globally in 2020. Apps on these devices, or the devices themselves, often claim to monitor our health to spot illnesses, track our workouts to help us reach our fitness goals, or keep an eye on our children’s whereabouts to enhance their safety. But they’re also divisive. Supporters of wearable technology claim that health trackers should be prescribed by the NHS and could even deliver an early warning of a possible COVID-19 infection. GPS tracking devices designed to be worn by children, meanwhile, are seen as a safety asset…

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