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Advertising Groups Ask Apple to ‘Rethink’ New Cookie Tracking Standards in Safari 11

In the upcoming version of Safari 11 on macOS High Sierra, Apple will implement a new “Intelligent Tracking Prevention” feature that builds upon Safari’s default blocking of third-party cookies. ITP will greatly limit advertiser reach by placing new safeguards into Safari that use machine learning to suppress cross-site tracking and purge ad retargeting data after 24 hours.

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The NAI has discontinued its cookie-based and email-based opt-out tools as of September 15, 2025. This does not affect opt-out requests submitted using those tools prior to September 15, 2025.

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