Facial-recognition tech is being used more often. Supporters say it is a safe and convenient way to confirm identity. But skeptics say it possesses security risks.

WSJ personal-tech columnist Nicole Nguyen joins host Zoe Thomas to discuss why facial recognition tech may offer a creepy convenience.

0:00 How does facial recognition software work?
1:30 What are some events that are adopting facial recognition tech as tickets?
2:57 How can people protect their biometric data?
4:06 What are some differences in biometric data privacy laws across the world?
5:34 Can you opt out of facial recognition at events?

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