Advertising & Marketing · Recorded milestone
App tracking opt-in
Recorded year2021
Apple's App Tracking Transparency makes iPhone apps ask before tracking users; most say no, costing Meta about $10 billion in 2022.
Explore this milestone on the interactive mapBuilt on
- SmartphoneRecorded · 1994enables
- Social network adsRecorded · 2007enables
- App storesRecorded · 2008enables
Led to
No connections of this kind are recorded.
Sources & evidence
Dataset updated 2026-10-18. This individual record has not been separately re-reviewed.