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AI Overviews are eroding the monetization efficiency of traditional search ads. Users are getting answers directly from AI, reducing the need to click through to advertiser sites.

Impact: Advertisers may shift budgets away from search as ROI declines, forcing platforms to innovate new ad formats within AI interfaces to maintain revenue.

— from Hyperscaler Earnings: AI CapEx vs. Market Sentiment · Doppelgänger Tech Talk· Oct 31, 2026