Hey John,
Can you confirm these labels will only be sent to the 1% "Mode B"
population, until the new user choice approach is shipped? Or is
something else planned?
thx,
Mike
On 9/30/24 10:12 AM, John Delaney wrote:
Contact emails
johni...@chromium.org <mailto:johni...@chromium.org>,
wanderv...@chromium.org <mailto:wanderv...@chromium.org>,
lin...@chromium.org <mailto:lin...@chromium.org>
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Explainer
https://github.com/privacysandbox/tpcd-labeling/blob/main/cookie_deprecation_labeling_explainer.md
<https://github.com/privacysandbox/tpcd-labeling/blob/main/cookie_deprecation_labeling_explainer.md>
https://developer.chrome.com/en/docs/privacy-sandbox/chrome-testing
<https://developer.chrome.com/en/docs/privacy-sandbox/chrome-testing>
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Summary
As noted on the I2D&R for Third Party Cookies
<https://groups.google.com/a/chromium.org/g/blink-dev/c/RG0oLYQ0f2I/m/P62t84F1AQAJ)>:
We recently announced a new path focused on elevating user choice,
instead of third-party cookie deprecation. We will continue to support
and invest in the Privacy Sandbox technologies. While we can't predict
what exact user preferences will be, it’s important for businesses and
developers to prepare for a likely increase in Chrome browsers without
support for third-party cookies, and to continue investing in
privacy-enhancing technologies.
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The cookie deprecation labels are useful for developers to evaluate
and optimize deployments of the Privacy Sandbox APIs prior to any
changes in the number of browsers which support third-party cookies,
so we are asking to extend the current set of labels
<https://developers.google.com/privacy-sandbox/relevance/setup/web/chrome-facilitated-testing>for
three more milestones.
Link to “Intent to Experiment” blink-dev discussion
https://groups.google.com/a/chromium.org/g/blink-dev/c/3escBQGtIpM/m/ntcytva5BgAJ
<https://groups.google.com/a/chromium.org/g/blink-dev/c/3escBQGtIpM/m/ntcytva5BgAJ>
https://groups.google.com/u/1/a/chromium.org/g/blink-dev/c/v3PiIzm1M-Y
<https://groups.google.com/u/1/a/chromium.org/g/blink-dev/c/v3PiIzm1M-Y>
Goals for experimentation
Continued deployment and evaluation of Privacy Sandbox Ads APIs.
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Experimental timeline
This feature was previously approved to run up until Chrome 129.
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We would like to extend this for Chrome 130 through 132.
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Any risks when the experiment finishes?
Minimal, the cookie deprecation labels are only available for a subset
of users and must be requested.
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Reason this experiment is being extended
We have received feedback that these labels are useful for ad tech
companies to evaluate and optimize the APIs in preparation for changes
to third party cookie availability.
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Ongoing technical constraints
None
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Will this feature be supported on all five Blink platforms supported
by Origin Trials (Windows, Mac, Linux, Chrome OS, and Android)?
No, not supported on webview.
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Link to entry on the feature dashboard
https://chromestatus.com/feature/5189079788683264
<https://chromestatus.com/feature/5189079788683264>
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