How to Disable Ad ID Tracking on iOS and Android, and Why You Should Do It Now

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 …

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