Carrefour in France was using it already some 10 years ago. More current photo: ... | Hacker News

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michalskop on March 27, 2017 | parent | context | favorite | on: The High-Speed Trading Behind an Amazon Purchase

Carrefour in France was using it already some 10 years ago. More current photo: https://theworklife.com/graham-miln/files/2013/12/2013-09-ei...

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