> If someone is close enough and motivated enough to take a high-res photo of your face just to access your mobile device, they're also probably close enough to

> If someone is close enough and motivated enough to take a high-res photo of your face just to access your mobile device, they're also probably close enough to film you typing in your passcode Not sure about that. All of my friends, family and work colleagues are 'close enough' to me to take a high res photo of my face (and I'd gladly let them do it), but none of them can see my passwords when I'm typing or unlock my phone without my permission. For me this revelation is of a big concern.