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yesimahuman
on Dec 9, 2011
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A single line to 3 cashiers is ~3x faster than a s...
Good point. At any rate, there is room for improvement, especially considering the normal checkout systems appear to perform more quickly.
philwelch
on Dec 9, 2011
[–]
Because cashiers are trusted and customers aren't. There's still the delay during checkout, though.
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