Here's Chrome's technical page for Privacy Sandbox: https://www.chromium.org/Home/chromium-privacy/privacy-sandbox https://www.chromium.org/Home/chromium-privac

Here's Chrome's technical page for Privacy Sandbox: https://www.chromium.org/Home/chromium-privacy/privacy-sandbox https://www.chromium.org/Home/chromium-privacy/privacy-sandb... The bit you're quoting sounds like the WSJ trying to describe https://github.com/WICG/floc https://github.com/WICG/floc. That depends on the browser choosing to support the API, yes. (Disclosure: I work on ads at Google, speaking only for myself)