Advertising identifiers as links between mobile app

Dead Internet Theory: A device-wide advertising identifier can give multiple apps and advertising SDKs a common value for the same user profile, making separate app activity easier to connect until the identifier is reset, deleted, limited, or replaced by other signals.

https://switchboardtechservices.com/articles/dit-advertising-identifiers-as-links-between-mobile-app-activities/

By Switchboard Tech Services · Originally published 2026-05-24

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