Michael Kleber

The type of header that's appropriate here is `Client-Hints`, and as I said above, that is how we originally designed it, before we realized that it's impossible to control such...

Hi Angelina, thanks for the sheet and especially the range of scenarios. In the Chrome Privacy Sandbox approach to conversion measurement, you can attribute a conversion event to a specific...

FYI, also relevant: we've updated the ["What is Chrome's threat model for fingerprinting?"](https://chromium.googlesource.com/chromium/src/+/master/docs/security/faq.md#What-is-Chrome_s-threat-model-for-fingerprinting) section of our security FAQ to call them "privacy bugs that we will try to resolve."

Another thought: The browser might show some sort of "Why am I in this flock?" data, like "Here are web sites you've visited that contributed to what flock you're in:...

Don: Good point -- interesting that you bring up cases where a person might well not _want_ to change their flock, since some ads targeted at the flock might be...

From an advertiser's point of view, you should think of asking "What kind of people does this flock represent?" as like asking "What kind of person does this cookie represent?"...

Exactly! And that's why we've published this Explainer: to have a conversation about the right answer to that question. It should be a joint effort, including the federated ML research...

Hi Kanishk, I agree that "in-market auto" is probably not a good use case for FLoC. The fact that each person is in only a single flock, and that the...

Hi Yoav, @erik-anderson and I would like to request some joint time for the incubations of the [Protected Audience API](https://github.com/WICG/turtledove/blob/main/FLEDGE.md) and the [Ad Selection API](https://github.com/WICG/privacy-preserving-ads/blob/main/Ad%20Selection%20Overview.md), primarily focused on the ongoing...