In order to display perfectly tailored to the user ads that are and for tracking purposes a tracking id is needed.
IDFA vs. IDFV — Identifiers for Advertising and Tracking on iOS
IDFA vs. IDFV — Identifiers for Advertising…
IDFA vs. IDFV — Identifiers for Advertising and Tracking on iOS
In order to display perfectly tailored to the user ads that are and for tracking purposes a tracking id is needed.