, but not limited to, field telemetry from users who opt-in to sharing device analytics and modeling battery drain from activities such as movie and music p...

https://www.apple.com/jp/environment/pdf/products/iphone/iPhone_Air_PER_Sept2025.pdf

Ad measurement that respects user privacy 5 ........................................................ Minimizing data sharing with the Smart Search field 6。

https://www.apple.com/jp/safari/docs/Safari_White_Paper_Nov_2019.pdf