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Did AI Really Cut D2C CAC by 40%? Hard Evidence

This story is from 2026-10-20. It is preserved in the archive; the latest stories are on the live feed.

What the data says: Advantage+ beat manual on incremental ROAS for 42% of brands, so 58% did better with manual campaigns (Haus). Advantage+ led the manual by about 9% at the experiment midpoint but trailed by about 12% at the end (Haus). Treat the Meta findings as a warning about how to test, not…

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  1. 2026-10-20 09:28 · DEV Community — AI
    Did AI Really Cut D2C CAC by 40%? Hard Evidence

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