Google announced in a support page: Starting in late 2021, when a user opts out of interest-based advertising or ads personalization, the advertising identifier will not be available. You will receive a string of zeros in place of the identifier.
This is a good follow up on Apple's iOS 14 privacy push to limit cross app tracking. For Facebook, it's more trouble as it further limits their ad tracking ecosystem.
Today, Facebook's biggest regret would probably be their lack of attempt at building an operating system like Android and iOS.
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[ 3.1 ms ] story [ 24.7 ms ] threadThis is a good follow up on Apple's iOS 14 privacy push to limit cross app tracking. For Facebook, it's more trouble as it further limits their ad tracking ecosystem.
Today, Facebook's biggest regret would probably be their lack of attempt at building an operating system like Android and iOS.
They did build "Facebook home" almost a decade ago tho. They should probably regret not pushing android manufacturers to use it on their phones.