I don't see any reference here to IDFA being combined with browser cookies?
It's worth noting that Apple has already chosen to kill off IDFA (something that was created as a transition away from developers having to the device's raw UDID) and Apple took this step without needing to be pressured by consumer rights groups.
> I don't see any reference here to IDFA being combined with browser cookies?
You should read again. Under "Determining Unique Users" you can see they link every "device id" to a unique user ID. A device id can be a browser cookie, an Apple IDFA or an Android AdID.
> Apple took this step without needing to be pressured by consumer rights groups.
Well, Apple is a smart company and better than most others with privacy. They may have concluded for themselves that they would probably get under pressure for this.
<sarcasm>Yes, read the official docs and move along, nothing to see here.
Especially never talk to any ad-tech companies. They are worth billions, but really do not offer anything on top of what Apple and Google have in their docs about advertising.
It's worth noting that Apple has already chosen to kill off IDFA (something that was created as a transition away from developers having to the device's raw UDID) and Apple took this step without needing to be pressured by consumer rights groups.