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US judge rejects bid to break up Google's ad business
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Fusion42 · 3 September 2026 · Fusion42 review
A US judge rejected the Department of Justice's bid to break up Google's ad business, opting instead for rules to govern Google's ad market operations. The ruling follows a broader DOJ effort to regulate big tech's dominance, specifically targeting Google's control over digital advertising infrastructure.
This Wire brief sits within Fusion42's coverage of Advertising Tech.
◆ ◆ The Wire takeaway
Google's ad business will operate under new rules rather than a breakup, so ad tech founders should pivot to compliance and positioning for continued market dominance. The ruling leaves a narrow window for regulatory changes without structural dismantling.
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1 source · 2 Sep 2026
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