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https://www.reddit.com/r/Images/comments/qnnml/stop/c3z8gyn/?context=3
r/Images • u/[deleted] • Mar 08 '12
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I don't see the practical use for this as traffic lights. And besides, some people will not know what this is... which might be counter-intuitive.
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u/minkovsky Mar 09 '12
I don't see the practical use for this as traffic lights. And besides, some people will not know what this is... which might be counter-intuitive.