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A comment on Walmart joins other big retailers in scaling back on self-checkout. Parent comment

Re:Walmart joins other big retailers in scaling back on self... by sys_64738 on Monday April 22, 2024 @07:18AM (#40113233)
It was always basic queuing theory to keep on enough people so that the average queue depth if 4. Enough to see the finish line so as to not cause a riot.
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