Receipt

    Filed July 14, 2026

    Partially right.

    The short version

    Brian Wieser predicted on January 1, 2024: “He predicts the US ad industry will grow by roughly 5% (minus political spending) and 9% with political spend.” Verdict: Partially right. His initial forecast of 'roughly 5%' growth (ex-political) understated the actual trajectory. Subsequent data and his own revisions showed actual growth to be closer to high single-digits. The direction of growth…

    Prediction by

    Brian Wieser

    On January 1, 2024

    He predicts the US ad industry will grow by roughly 5% (minus political spending) and 9% with political spend.

    Follow-up

    His initial forecast of 'roughly 5%' growth (ex-political) understated the actual trajectory. Subsequent data and his own revisions showed actual growth to be closer to high single-digits. The direction of growth (positive) was correct, but the magnitude was underestimated.

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    From the High Caliber AI network — see the AI for PR module in the course.