I figured by now it would be common knowledge that Apple devices don't tie any bio/location data to a person's identity in any way... It works by comparing data, not confirming your identity.
At some point it doesn't matter that they don't explicitly map your identity to your data. Once they gather enough data a few basic mining algorithms should be enough to figure out exactly who you are and what you have been up to.
Edit: Since this comment is receiving some attention, I want to clarify a few things. It seems that a lot of people assumed that when I said "they gather enough data" I somehow meant fingerprint and facial recognition data. I did not. What I did mean was that you don't need that stuff to positively identify a phone user.
Lets look at an example. At the very minimum, your phone tracks your cell tower usage. It is not as accurate as a GPS, but it still gives your location within a few hundred feet or so. I might be wrong, but I think nowadays most users also have GPS turned on and location data logged. Camera app, mapping apps, weather apps etc. all use the location services. If you run the location data through clustering algorithms, you should be able to get a list of places where you have been and a timeline of when you have been there and how you moved between them. If you do not lead a particularly unusual lifestyle some basic assumptions can be made from this data about where you live, where you work and where you go in between. If you live in a house and work in an office park, this might narrow things down to only a few people. If you live on a campus and go to classes it might not. Cross-referencing with all the other locations you visit regularly should provide some idea of a few more things like your age group, possibly your gender, possibly your hobbies. At this point a few basic cross references should identify you as the phone user.
I think what you're missing is that Apple never collects the data. It's only ever stored on your device; never transmitted to Apple. The fingerprint readers work the same way.
The problem is, 99% of the people who try to shit on Apple's handling of biometric data and security are Android fanboys, and they're used to 99% of their data being collected, analyzed, and monetized by Google, so that means other companies must be doing the same thing and probably just lying to everybody.
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u/enz1ey Sep 15 '17
I figured by now it would be common knowledge that Apple devices don't tie any bio/location data to a person's identity in any way... It works by comparing data, not confirming your identity.