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A comment on Ask HN: Why are credit card chip readers so slow?. Parent comment

Re:Ask HN: Why are credit card chip readers so slow? by spalt on Monday June 26, 2017 @08:51AM (#14636331)
One reason Aldi checkers can scan so fast: multiple, huge bar codes! http://www.motherjones.com/kevin-drum/2016/06/aldi-has-very-...
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