[infogulch]

Yes. So how much do look-alikes change that number?

It's 1/1M for strangers. Is it 1/10k for family members? 1/100 for close look-alikes?

The difference between FaceID and TouchID is that you don't have pictures of millions of people's fingerprints available publicly online...

[kevinavery]

Exactly. Someone mining Facebook could build a directory of doppelgängers near each person. A little social engineering could get a bystander to unlock the target's phone without them even realizing they are facilitating a crime.

[IshKebab]

Ah, HN-level paranoia.

[pavel_lishin]

That's what they used to say about Stallman.