Amazon’s palm reading starts at the grocery store, but it could be so much bigger

Earlier this week, Amazon unveiled Amazon One: new technology for its Amazon Go stores that lets shoppers pay for their groceries by scanning the palm of their hand. By analyzing the shape of your hand and the unique configuration of veins under your skin, Amazon says its technology can verify your identity the same way facial recognition does.
Although Amazon One will initially be used for payments only, it’s clear the tech giant has much bigger ambitions for this hardware. In the future,