This feature has been around for many years, previously known as "Limit Ad Tracking".[1] They may have changed how it works under the hood. Apple could have di

This feature has been around for many years, previously known as "Limit Ad Tracking".[1] They may have changed how it works under the hood. Apple could have disabled cross-app sharing of Apple user identifiers by default, but iOS 14.5 instead has per-app permissions. [1] https://en.m.wikipedia.org/wiki/Apple_ID_for_Advertisers https://en.m.wikipedia.org/wiki/Apple_ID_for_Advertisers