Safari used to allow 3rd party cookies in some circumstances, and of course Google abused that for tracking: https://nakedsecurity.sophos.com/2017/11/30/google

Safari used to allow 3rd party cookies in some circumstances, and of course Google abused that for tracking: https://nakedsecurity.sophos.com/2017/11/30/google-sued-over-iphone-safari-workaround-data-snooping/ https://nakedsecurity.sophos.com/2017/11/30/google-sued-over...