I wonder if the tech team involved with Face ID factored the birthday paradox into their security factor. They touted a "1 in 1,000,000" chance that someone else's face unlocks one's iPhone X. Well, with the birthday paradox, let's say there were, say, exactly 1179 people in the Steve Jobs Auditorium and they all had iPhone Xs. That's 694,431 unique pairs of people, and there would be roughly a 50% chance of two of t…
I didn't watch the keynote: do they have touch ID on the back?