Following Facebook’s multiple warnings including a recent public post about concerns over lost ad revenue due to the iOS 14 privacy changes, other digital publishers have shared similar fears.
https://9to5mac.com/2020/08/28/publishers-fear-ad-slowdown-ios-14/
origin - https://www.pipiscrew.com/2020/08/publishers-join-facebook-in-fearing-advertising-slowdown-caused-by-ios-14-privacy-changes/ publishers-join-facebook-in-fearing-advertising-slowdown-caused-by-ios-14-privacy-changes