Everyone has lost access to something. A phone, a password, a recovery code sent to a dead email. Google’s answer, announced on Thursday, is your face.

The company is adding a selfie video as a way to sign in, it said in a blog post. Setting it up takes a short online process with a few guided head movements, so the camera can capture several angles. Google saves that clip. Next time you cannot get in, you record a fresh video, and Google matches it against the saved one.

Google encrypts the clip, uses it only for sign-in, and lets you delete it whenever you like, as Bloomberg first reported. It will not work for Google Workspace accounts, children’s accounts, or anyone in the Advanced Protection Program. The system can also spot deepfakes and flat photos, the company says.

The convenience is real. The more interesting shift is quieter. Your face is becoming a key, and Google is building the lock.

A login today, an age check tomorrow?

Google was careful about one thing. The sign-in selfie “isn’t designed to be used for age verification,” a spokesperson said, though the company will block anyone it suspects is underage from enrolling. That caveat is doing a lot of work. Google already runs selfie age checks through a third party, Private ID, to gate age-restricted content.

The timing is not an accident. Australia and France are bringing in rules to keep young teenagers off social media, and other countries are drafting their own. All of it needs a way to prove age. That usually means proving identity, which increasingly means your face. By default the sign-in clip stays put. Users can, however, opt in to let Google use it to “improve facial recognition, age estimation and other verification methods.”

The quiet price of convenience

None of this is sinister on its own. Face unlock has sat on phones for years, and Google is hardly first to it. The difference is where the template now lives, and what else it could do. Hand Google a video of your face to skip a password, and you also give it a biometric it can, with your consent, put to other uses. The feature solves a real privacy headache. The question is what a face-shaped key unlocks next.

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