BGraph Research. (2026). AI summaries change what happens after a Google search. Updated 8 August 2026. https://bgraph.io/research/ai-overviews-click-gap.

Original public source:
Pew Research Center: https://www.pewresearch.org/short-reads/2025/07/22/google-users-are-less-likely-to-click-on-links-when-an-ai-summary-appears-in-the-results/