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Page last updated at 07:41 GMT, Thursday, 12 April 2012 08:41 UK

The memory stick that self-destructs

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Technology has now created the ultimate USB stick - used by the secret service. If you lose it you can track its location and if it falls into the wrong hands you can even remotely scramble its content.

Spencer Kelly became James Bond for the day to put the new device through its paces.

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