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"Every year we make it more idiot-proof, and every year, they come up with a better idiot."
I recently learned that in pictures showing dozens of guys and horses processing grain with the original threshing machines, there is always one guy just standing on top. His job, in the days before things like chain guards, was to shout warnings to the other guys.
In Belgium, a fleet of 800 taxis converted to ABS brakes over a two year process. It was found that the accident rates were unchanged, but the average speed went up.
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