A look at Amazon's Sparrow, Cardinal, Proteus, and other warehouse robots, taking over roles like selecting and picking items, carrying shipping carts, and more (Karen Weise/New York Times)

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Karen Weise / New York Times:A look at Amazon's Sparrow, Cardinal, Proteus, and other warehouse robots, taking over roles like selecting and picking items, carrying shipping carts, and more  —  Meet Sparrow, Cardinal and Proteus.  They're the robots that, step by step, are replacing human workers in the company's warehouses.