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Initially, when the public knew nothing about it, opinion was something like 70% in favour. Once this ignorance was rectified, and people found how much the magic crime-preventing pixy-dust on every card would cost, it went to 80% against. Sorry for the long URL, but it has useful information:
People who think this is a good idea fall into four main categories: IT ignorant politicians, IT ignorant policemen, IT salesmen, and ignorant public. Nothing can be done about the first three categories. But the last group can be educated.Malcolm Farmer, 14 years ago.