This video has over 450k views and is misleading viewers about FaceID

[bodonnell202]

Identical twins. Identical. Not fraternal twins.

I don’t get the uproar. Doesn’t there HAVE to be a minute level of differential in FaceID to account for someone waking up with puffy eyes, a cut on their face, a shiner or fat lip, and so on....?

Identical twins for the most part, would be an example of minute daily facial changes, right.?

A small cut on your finger won’t negate your fingerprint with TouchID, would it? Anyone wanna try and verify that?

I’m really kind of uninformed about the issue, but that’s how I see it.

Actually I got a cut on my thumb and touch ID wouldn't work with that finger until it healed! I had to use a different finger so it does notice stuff like that. That said the twin thing shouldn't be a surprise. They even mentioned it at the Keynote "If you have an evil twin you might want to protect your data with a pass code..."

 

[mcdj]

There are roughly 32 twins per thousand people. 1/3 of them are boy/girl fraternal. Even if the rest of them are identical, which they’re not, that amounts to around 1.6 million identical twins on our planet of 7.6 billion people.

A chunk of those people are gonna be little kids. A bunch are gonna be too old for cutting edge iPhones. Of those at the right age to be a potential iPhone owner, some don’t and/or won’t use an iPhone because they can’t afford it, don’t like it, prefer another phone; myriad reasons.

After you whittle all those people away, even if you’re left with a million, how many of them are actually in the market for a new phone? How many of them live too far apart for lock screen security to matter on a regular basis? How many live together or nearby and actually want to spy on each other’s phones?

Not only are identical twins rare, the subset of them that would actually suffer from FaceID issues in the real world is so small that it’s not even worth making a video about.

 

[garrym13]

I don't know what's the issue. Even Apple says there is a 1 in 1 million chance of this occurring. There are 7.6 billion people in this world, so if there's a 1 in 1 million chance, we all have 7600 doppelgangers.

That is not how stats work.... It is adding a statistical value to the rarity of it occurring. In my field we call that Prosecutor's fallacy. If i were to put 759992400 billion red chips chips in a bag plus 7600 black chips and let you draw, you will NOT pick black 7600 times in 7.6 billion draws.

 

[flat five]

The skin color doesn't change. It's just the lighting.

actually..
i think it's the other set of twins' hands (at the time OP points out as being most obvious)

ha!

that is bad editing..

(but still, i don't think it's a false video.. i think both sets of those twins unlocked their respective phones)

 

[44267547]

I don't have identical twins, so it's no issue for me.

And likely for the majority it's not a issue either. So I agree with you and it's a non- issue for many, given Apple already talked about how It could have reduced security with twins. But otherwise it's one out of million for someone to unlock your iPhone with Face ID.