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Google Ad Changes Targeted by Rivals in U.K. Complaint

  • Trade groups asks CMA to postpone Google’s ‘privacy sandbox’
  • Marketers for an Open Web includes publishers and adtech firms
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Photographer: Jason Alden/Bloomberg
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Google’s planned changes to advertising data were targeted by a group of rivals who pushed U.K. regulators to make the company a top antitrust priority.

Marketers for an Open Web is asking the Competition and Markets Authority to temporarily halt Google’s rollout of so-called privacy sandbox technology next year, it said in an emailed statement on Monday.