What is IDFA & Marketing Without Identifier for Advertisers?

What is IDFA & Marketing Without Identifier for Advertisers? idfa IDFA 922751175 ; Sir Kirkbride , Amman , to the Foreign Office , 29 May 1948 , E7179 , FO 37168374 ; Sir Kirkbride , Amman , to the Foreign idfa The IDFA is a random, unique device identifier assigned by Apple to a user's device Learn what the IDFA is and why it's important

idfa When introduced in 2012, IDFA was instrumental in app marketers' measurement of advertising performance as it allowed access to various engagement metrics

idfa IDFA is important in mobile advertising because it allows advertisers and app developers to target specific users with personalized ads By tracking user IDFA is an identifier assigned to iOS devices for tracking and targeting ads Mobile marketers use IDFA to track user engagement