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judge2020

At least the App Store ads are completely contextual.

Not for long. The search page by default shows one non-contextual app above their ranked list of apps you might like.

Also, these ads along with ones in News and Stocks are targeted ads based on a user targeting profile from your data. https://news.ycombinator.com/item?id=27261273

Personalized ads can be disabled in Settings -> Privacy -> Apple ads.

So Apple pushes others to be Opt-in meanwhile they are Opt-out?

The Apple ad setting is about personalized ads, not tracking.

> App Tracking Transparency allows you to choose whether an app can track your activity across other companies’ apps and websites for the purposes of advertising or sharing with data brokers.

https://support.apple.com/en-us/HT212025

Apple does not track you across other companies' apps and websites so I don't see how this is related. Facebook can still do personalized ads even if you click on "ask app not to track".

Reply on news.ycombinator.com