> Federated Learning of Cohorts
> a new way to make your browser do the profiling that third-party trackers used to do themselves: in this case, boiling down your recent browsing activity into a behavioral label, and then sharing it with websites and advertisers
[0] https://blog.google/products/ad
[1] https://www.eff.org/deeplinks/2021/03/googles-floc-terrible-...