iOS ad efficiency dropped up to 75% post-ATT: How DSPs use AI to target and optimize ads in the age of privacy
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John Koetsier John Koetsier
Posted Jun 23, 2023 37 min read
iOS ad efficiency dropped up to 75% post-ATT: How DSPs use AI to target and optimize ads in the age of privacy

Assume iOS ad efficiency pre-ATT with almost unfettered IDFA access was 1.