Michael Kleber

Hi Russ, thanks for opening this discussion. You're quite right that a FLoC-like bidding signal that is not visible to the publisher page would address some of the privacy concerns...

(Noting for backlink purposes that @johnwilander has proposed investigating this as well, in https://twitter.com/johnwilander/status/1406309626233032706)

Hi @fischerbach, There has been some good discussion of these questions in the Web Advertising Business Group, particularly from @dmarti and @aramzs. This led, for example, to the [permissions model...

It seems like this would be easy if the extension were to be responsible for everything. I'm not sure how we could split the work up so that the browser...

Interesting idea! Of course if you subscribe to some RSS feed and then actually go _read_ the things you subscribed to, then a FLoC algorithm based on what you read...

@xyaoinum PTAL? I see [in this test](https://source.chromium.org/chromium/chromium/src/+/master:chrome/test/data/federated_learning/feature_policy_interest_cohort_none.html.mock-http-headers;l=2?q=interest-cohort&ss=chromium%2Fchromium%2Fsrc&start=11) exactly how to opt out with an HTTP response header, but @dmarti is right that we should document the meta-tag version, if there...

Looks like the way to opt out is in HTTP headers, not in the HTML body. (The `meta http-equiv` thing doesn't work for headers in general, only for a few...

There isn't a way right now, and I agree that we should add one. @jkarlin Turns out this is a feature request, not a documentation request! What's the right way...

Good point, thank you @Myrtle. Hey @samdutton, can we get that web.dev article changed to say "will be included in the FLoC calculation if Chrome detects that they are sites...

Hi @johansmith90: Check out the answer from our Dev Rel folks on Twitter: https://twitter.com/rowan_m/status/1383380295336878091 The precise list we use starts from EasyList but then goes through some crunching before ending...