How Apple IDFAs Still Affect Advertising by Laurie Sullivan , Staff Writer @lauriesullivan, July 29, 2022 PubMatic looked at the Identifier for Advertisers (IDFA) opt-in rates after Apple introduced it. The company noticed that rates have stabilized for the most part, but there are several app categories where the market continues to rapidly change. iOS 14.5+ … Continue reading How Apple IDFAs Still Affect Advertising