Receipt

    Filed May 4, 2026

    Partially right.

    The short version

    Brian Wieser's prediction, paraphrased from the linked source (November 26, 2018): 2019 U.S. ad spending will grow 4.0%, up from a prior 3.5% forecast. Verdict: Partially right. Wieser raised his 2019 U.S. ad growth forecast to 4.0%. The direction was right but the number was too low: GroupM put 2019 U.S. ad growth at 6.2% ($244 billion), the fastest since…

    Prediction by

    Brian Wieser

    On November 26, 2018

    Paraphrase: 2019 U.S. ad spending will grow 4.0%, up from a prior 3.5% forecast.

    Follow-up

    Wieser raised his 2019 U.S. ad growth forecast to 4.0%. The direction was right but the number was too low: GroupM put 2019 U.S. ad growth at 6.2% ($244 billion), the fastest since 2000.

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