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Some Facebook advertisers say their ad campaigns are taking a hit in the wake of Apple's privacy changes.
Some of Facebook's most widely used ad tools like Ads Manager and its Audience Network are affected.
Advertisers are mitigating the impact by targeting bigger audiences and using new measurement techniques.
A little over two weeks since Apple rolled out its iPhone privacy, or App Tracking Transparency, changes, some Facebook advertisers say their ad campaigns are already taking a hit.
Apple's iOS 14.5 update requires apps to serve a pop-up notification to users seeking their permission to track them for advertising purposes.