This is the best summary I could come up with:

With the publication of its notice of intent to deprecate and remove third-party cookies, those involved in the development of Google's Chrome browser and its associated Chromium open source project now have more specific guidance.

As Google senior software engineer Johann Hofmann observed in his aforementioned notice, the phaseout of third-party cookies and shift to Privacy Sandbox technology – in Chrome at least – is a significant change in the status quo.

The impact of replacing the technical foundation of internet advertising while marketers are still doing business on the premises hasn't been lost on regulators, who have been trying to ensure that Google builds a level-playing field – something critical lobbying groups have disputed.

Thus Google has agreed to make specific commitments to the UK's Competition and Markets Authority (CMA) to allay concerns that the Privacy Sandbox doesn't become a killzone for competitors.

While it seems unlikely that watchdogs want to ensure that every marketer operates from an equal level of informational wealth, competitors have a unique opportunity to hamstring the ad giant by raising the alarm amid its antitrust trials and inquiries around the globe.

"The web in general is rapidly moving away from third-party cookies, with Firefox and Safari leading the way," said EFF senior staff technologist Jacob Hoffman-Andrews in an email to The Register.

The original article contains 1,739 words, the summary contains 218 words. Saved 87%. I'm a bot and I'm open source!