Google tried to get this through, and was only prevented because competing browsers didn't play along. https://en.wikipedia.org/wiki/Federated_Learning_of_Coho

Google tried to get this through, and was only prevented because competing browsers didn't play along. https://en.wikipedia.org/wiki/Federated_Learning_of_Cohorts https://en.wikipedia.org/wiki/Federated_Learning_of_Cohorts