Michael Kleber

@kuro68k A person is only in a single cohort at any time. So I'm not sure what "25% of the cohorts a user is part of might be randomly selected"...

> 1. @michaelkleber for a given k-anonymity of k, suppose you have a prefix 110101 which contains more than k users, and his brother 110100 contains less than k users,...

FLoC is for grouping together people whose browsing behavior seems "kinda similar". I wouldn't expect any one flock to be full of "users who are interested in international travel". But...

Both uses seem plausible: An individual advertiser could use flocks based on observations of activity on their own site, and a 3rd-party ad tech vendor could build models of how...

Hi Aram, I guess your statement "in practice, there is no way to provide the utility and provide a reasonable guarantee of privacy without some centralized server in the mix"...

Per [the Chrome blog post](https://blog.google/products/chrome/privacy-sustainability-and-the-importance-of-and/), "Australia, Brazil, Canada, India, Indonesia, Japan, Mexico, New Zealand, Philippines and the U.S." (Note however that as of today, the OT has not yet started...

Hi @michaljaron, good question. We originally described FLoC as using a Client Hints HTTP header to communicate the cohort, but that turned out to be not technically compatible with running...

If it's hard for you to update your scripts, then participating in an Origin Trial may not make sense. This early stage of experimentation is a good fit for people...

Sorry, the Origin Trial hasn't started yet. Soon!

Yes! Things become available on Canary first, then Beta, then Stable. Won't be long now.