You can set up Face ID on an iPhone in just a few seconds in the "Face ID & Passcode" section of your phone's Settings app.
You can scan a QR code using the camera on your smartphone, tablet, or computer — however, you may need to download an app.
In your column this week [Dr.Know, WW, July 16], you mentioned how a digital ID transmits more info than a physical ID. But most places scan your ID barcode anyway. So what’s the difference in the ...
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