Facebook Warns Publishers iOS 14 Fallout Could Impact Audience Network by 50%

Apple's new mobile operating system will see Facebook cease IDFA collection

Facebook had previously told its advertising partners to create an account dedicated to running app install ad campaigns for iOS 14 users. Facebook, Apple

The impending rollout of Apple’s iOS 14 will bring big changes to Facebook, most notably the end of collecting iPhone identifiers (IDFA), and the social network is warning advertisers to expect weaker ad performance as a result.

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@ronan_shields ronan.shields@adweek.com Ronan Shields is Adweek's programmatic editor.
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