This is probably related to the "ban" of third party cookies [1] and most likely they just found a way without using cookies but other technologies - most likel

This is probably related to the "ban" of third party cookies [1] and most likely they just found a way without using cookies but other technologies - most likely biometric features + Chrome data in case you're using Chrome [1] https://www.cookiebot.com/en/google-third-party-cookies/ https://www.cookiebot.com/en/google-third-party-cookies/ Edit: I did not have time to read it, but here is the paper and probably something like the algorithm they want to use: https://github.com/google/ads-privacy/blob/master/proposals/FLoC/FLOC-Whitepaper-Google.pdf https://github.com/google/ads-privacy/blob/master/proposals/...