tomayac’s Twitter Archive—№ 13,535

@slightlylate @yoavweiss @jyasskin For iOS, there's a difference between identifierForVendor (developer.apple.com/documentation/uikit/uidevice/1620059-identifierforvendor, same value for all of a vendor's apps; allows that vendor to track users across apps) and advertisingIdentifier (developer.apple.com/documentation/adsupport/asidentifiermanager/1614151-advertisingidentifier, same value for all vendors, only for serving ads).