It was back in 2018 or 2019, I believe. I THINK it was maybe iOS 15? Here is an old Verge article I found that you can check your settings: https://www.theverge.com/22309965/block-ad-iphone-data-how-t... - It was turning off "Personalized Ads" in your settings. I believe today in iOS 17 it lives in `Settings > Privacy > Apple Advertising`
