signing users in to any other services. Because tracking uses web technology that also provides features required for the proper operation of websites, simp...

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

A Day in the Life of Your Data Building a Trusted Ecosystem for Millions of Apps The important role of App Store protections June 2021 “We’re trying to do t...

https://www.apple.com/jp/privacy/docs/Building_a_Trusted_Ecosystem_for_Millions_of_Apps.pdf