IOS Attribution Is Broken, But SKAN4-Compliant Bidding Tech Could Fix It | AdExchanger
Briefly

Apple introduced SKAdNetwork (SKAN) to replace IDFA-based attribution.But SKAN's methodology, which uses encrypted data to represent a campaign ID, is much more complicated than the straightforward use of a single device ID.Adoption of the latest version, SKAN4, is therefore still very low.Only about 5% of mobile ad inventory is currently SKAN4-compliant, said Adrienne Rice, director of media investment at M&C Saatchi Performance.
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