The worry is third party deep linking platforms. Branch, Adjust are just two widely used services that exploit deterministic matching to drive up ad revenues.

The worry is third party deep linking platforms. Branch, Adjust are just two widely used services that exploit deterministic matching to drive up ad revenues. Now, iOS 14's opt-in tracking no longer allows collecting advertising identifiers. As it turns out, Branch.io is already bracing itself for the change: https://blog.branch.io/how-to-prepare-your-mobile-app-and-attribution-stack-for-apples-ios-14-privacy-and-idfa-changes/ https://blog.branch.io/how-to-prepare-your-mobile-app-and-at...