[vassilyk]

Related. The next big change for privacy and ad targeting is the removal of the IDFA by Apple and the GAID by Google. Removal or aggressive randomization, but there is no way those IDs remain as persistent as currently.

It's a matter of months, maybe a couple of years.

When this happens, what is happening with Safari now will look like a minor issue.

[zie]

You can set the IDFA on iOS to all 0's in Settings. See: https://support.apple.com/en-us/HT205223 under "Opt Out of Targeted Advertising" (at the end).

[vassilyk]

Yes indeed. And reset your GAID when you want and know how to do it. But my point is that such a behavior will be forced by the OS rather than offered as a choice.

It's what is happening with Safari (and the other browsers). First, knowledgeable users are empowered to make a decision, then, that decision is rolled out automatically to the masses. E.g., https.