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A comment on Amazon Go. Parent comment

Re:Amazon Go by tgb on Monday December 05, 2016 @12:13PM (#13106987)
I don't think you can make that conclusion. Presumably this store will be saving money on cashiers by instead using RFIDs.
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Re:Amazon Go by Someone on Monday December 05, 2016 @12:23PM (#13107126)
The article I quoted claims 1% is the _gross_ margin, in which case my argument is valid. I now think that is incorrect, as other high-ranking Google results claim it is the _net_ margin.
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