The IDFA is used by mobile apps like Facebook and Instagram to show you personalized advertising (also called or remarketing advertising), and also to provide advertisers with data about you in their Campaign Manager.
Of course, advertisers won’t know your name and address, but they get aggregate information about their site’s (or app’s) users thanks to the IDFA:
The actions taken on their site (products purchased, products added to the basket, forms completed)
This information is very useful for advertising purposes, as you would expect.
What happens if the user does not want
apps like Facebook to use their IDFA to deliver personalized advertising? And that’s what scares Facebook, given that its business model is based on the Estonia Business Email List collection and use of this type of information. Now you understand why the iOS 14 update is so talked about. It should be understood that and hidden in the data policy of app developers.
This is the case of an app like Facebook
which never asked you when you arrived on the app if you agree with their data use policy, even if the social network has already allowed for some time now clear your browsing history with the “Activity outside of Facebook” feature.
Ask the app not to track your activities
As mentioned, the prompt will be present on ALL iOS apps. They include
“Apple’s proposed changes will impede your ability to reach and understand users, as well as to generate interactions on mobile devices and on the web. They B2C Reviews will also impact your ability to gauge your performance, see who is viewing your ads, and make informed decisions about your advertising budgets. When these changes take effect, you may see an overall decline in personalization and ad performance over time, as well as an increase in cost per action. »
The entry into force of App Tracking Transparency will therefore have profound consequences for Facebook and its advertisers. Are they the only ones affected?
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Snapchat, Twitter, Pinterest and other social apps will obviously be affected. These platforms may not care as much as Facebook, but they do!
Google and its apps (notably YouTube) are too, but less so than Facebook because they use another Apple tracking tool:
Mobile app developers who monetize themselves through Audience Network ads are also affected.