Apple made a significant change with iOS 14.5, requiring app developers to explicitly ask for the app’s permission to track the user’s information for personalized ads. Apple’s change was meant to give its customers more privacy and transparency when it comes to data collection. Apple's App Tracking Transparency prompt on iOS Google has confirmed that it too will make the change for Android users to opt out of ad tracking, but not in the same explicit manner that Apple has done. Starting with Android 12, developers will no longer have access to the user’s Advertising ID and if...
Source: https://www.gsmarena.com/google_follows_apple_in_letting_users_optout_of_ad_tracking_on_android-news-49470.php