Amazon has installed digital palm readers at Whole Foods. The reader scans your palm, collecting biometric data, and links it to your credit card to pay for your groceries. What does exchanging vein mapping for eggs and butter mean for the future of data security and in-person shopping.

Guest: Emily Moore, freelance tech and food journalist

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Podcast production by Evan Campbell, Patrick Fort, and Cheyna Roth.

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Amazon Wants Your Handprint