UK Watchdog to Investigate Google Chrome Killing Off Third-Party Cookies Jan 8, 2021 18:09 GMT The watchdog says its received concerns from UK advertisers Google has already announced the Privacy Sandbox project supposed to deal with the issues caused by third-party cookies, and the company says its new system could go live in Chrome browsers at some point next year. But Google eliminating third-party cookies raised some concerns in the United Kingdom, so the Competition and Markets Authority, or CMA, has confirmed it’s launching an investigation that should help determine if the search giant is abusing its dominant position on the market or not.