When you first meet a stranger, unless you're a mugger, you want to be nice to that stranger.

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His friend still speaks about the time he shuffled into work with a black eye after tackling a mugger.

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All this is about as voluntary as handing your wallet to a mugger.

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At first glance, it doesn't make any sense: If you can disarm a knife-wielding mugger, why can't you disarm your electronic mugger?

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