Good point. At any rate, there is room for improvement, especially considering t... | Hacker News

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yesimahuman on Dec 9, 2011 | parent | context | favorite | on: 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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