09/02/2026
The AI Max evidence splits along a predictable line. More than 250 retail campaigns measured a median +13% conversion value at +16% CPA; a five-location franchise test posted +97% to +720% conversion lifts. Expansion helps where coverage was weak and struggles where humans already optimized hard. The independent record, read together in the field guide: https://choice.marketing/blog/google-ai-max-field-guide/?utm_source=facebook&utm_medium=social&utm_content=aimax-evidence-split