On: iPhone X

[MBCook]

They could just hold the phone up and you could look over for a fraction of a second. No different than if you were talking to them.

[cbhl → MBCook]

Oh boy, that's going to be awful fun for parents. Let the kid play with a game; they call your name while pointing the forward camera at you and you've just Face ID'ed some in-app purchase.

[MBCook → cbhl]

That's an interesting corner case. My phone has a setting that lets me turn off touch ID for App Store purchases (so I would have to use my passcode) so I guess you'd just have to use that if your kid kept tricking you and you couldn't stop them.

[adiabatty → cbhl]

Then you get the bill in the mail a couple days later and then ground your kid.

[gberger → adiabatty]

In the mail? :-)