http://www.eurekamagazine.co.uk/arti...-response.aspx
Quote:
 Last month’s ‘appeal’ to identify technologies that could prevent child abduction has moved forward rapidly
In a letter published last month, prompted by the disappearance of Madeleine McCann, design engineer Peter Fitzsimmons challenged Eureka readers to come up with a device to track lost children. Several readers have written with suggestions – two RFID-based ideas, one of which is in production, are highlighted here.
At the same time, two competing satellite-based systems – one British, one French – have also been launched recently.
Maidstone-based Blue Tree Services launched its OurKids child tracking system in the UK and Ireland earlier this year. The device comes in two parts: children wear the Blueranger unit, supplied with a belt similar to a money belt or with a pocket that can be attached to any item. Parents track their child’s movements through BlueMap software either on the internet or via a hand-held PDA. The latter shows its location as well as that of the monitored units.
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Yeah, only it won't just be Mummy and Daddy who tracks you when you are all grown up and it is implanted in your ****.