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Amazon Go Faces Unlikely Challenge From Checkout-Free Startup

  • Portuguese firm helps grocers launch checkout-free stores
  • Sensei’s system relies on cameras, AI software to tally items
Sensei’s demonstration store in Lisbon.Photographer: Miguel Manso/Publico
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Grocers, alarmed at Amazon.com Inc.’s rapid growth in Europe, are considering fighting back with the help of a tiny Portuguese startup.

Sensei, a 16-month-old technology company based in Lisbon that’s backed by Germany’s Metro AG and Portugal’s Sonae SGPS SA, is pitching its technology to European supermarkets as they race the e-commerce giant to open the region’s first checkoutless stores.