Deeplinks
The ad identifier – aka “IDFA” on iOS, or “AAID” on Android – is the key that enables most third-party tracking on mobile devices. Disabling it will make it substantially harder for advertisers and data brokers to track and profile you, and will limit the amount of your personal information up for sale.
This post explains the history of device ad identifiers and how they have enabled persistent tracking, identification, and other privacy invasions.
But first things first. Here’s how to revoke tracker access to your ad ID right now:
On Android
Open the Settings app, and navigate to Privacy > Ads. Tap “Delete advertising ID,” then tap it again on the next page to confirm. This will prevent any app on your phone from accessing it in the future.
On iOS
Apple requires apps to ask permission before they can access your IDFA. When you install a new app, it may ask you for permission to track you.
Select “Ask App Not to Track” to deny it IDFA access.
To see which apps you have previously granted access to, go to […]
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