[abarringer]

The key here is that iMessage collects a device identifier. Apple will cross reference this with everything else on your phone and know more than all the other apps put together.

[jaywalk]

Apple: we're not going to do this.

Random HN commenter: they're going to do this.

I think I'm going to believe Apple until they give me a reason not to.

[lern_too_spel]

Where does Apple say they're not going to do this?