[NeuNeurosis]

While ads are not the main driver of revenue at Apple they did develop a ad service at the same time they implemented the new "privacy" features on iOS.

https://www.wired.com/story/apple-is-an-ad-company-now/

https://www.searchenginejournal.com/apple-ad-network-gives-m...

https://seekingalpha.com/article/4578462-apples-new-strategy...

https://miro.com/app/board/uXjVOliVSU4=/