 Long the staple of spy flicks and real-life matters of intrigue and espionage, these tiny specks are capable |
of holding a suprising amount of important data. New BMWs sold in Australia have 10,000 of the little blighters sprayed all over them, each holding the manufacturer's unique identification number. It's not just a matter of filing off the numbers now, is it Mr Thief? DP |
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