
12 Expert Interviews, Agency Survey, AI Overview, AI Mode, Performance Max, ChatGPT, Antitrust
After writing a report on Google, Gemini, and Coding Agent in June, I still had many questions about AI Overview's impact on Google's ad revenue, especially given its low ad load in 2Q25-3Q25 despite strong CPC.
This comprehensive report is based on interviews with 12 experts and provides updates on:
Overall ad revenue trends for Q2 2025 and full-year 2025 expectations
AI Overview performance and implementation
AI Mode rollout and monetization potential
Performance Max, Conversational Ads, and other product innovations
Competitive impact from ChatGPT and Perplexity
Third-party research findings
Antitrust proceedings
Quarterly outlook
We recently spoke with five Google advertising agency experts. As this is our first quarter tracking Google budget performance, we lack historical data compared to META.

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