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Re:Google abandons FLoC, introduces Topics API to replace tr... by tkindy on Tuesday January 25, 2022 @12:15PM (#30074534)
Past thread discussing the topic-based idea when it was first floated by a member of Google’s Privacy Sandbox team https://news.ycombinator.com/item?id=28210507
Re:Google abandons FLoC, introduces Topics API to replace tr... by AlexAndScripts on Tuesday January 25, 2022 @01:19PM (#30075672)
5 lots of 350 topics. 350349348347346 is still 5.10361951 × 10^12... I'm sure there would be some uneven distribution, and ofc the birthday problem/effect has a impact.

That said, this sounds far better than FLoC. I wouldn't mind this.