"Worried parents will soon be able to keep an eye on their children at all times via a wearable tracking device and a website that maps where they go."

Using radio instead of GPS. I wonder why they didn't use mobile phone positioning? All three would be best of course, but more expensive. And this seems to only work in London. Pity, it's those out in the countryside that need most such protection, at least to my recollection of past abductions, they all seemed to happen in quiet country villages.

918 Also posted to: Home page . At: 12:56:28 PM  . .
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Other title(s) for this story: Pocket tracker monitors children