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Dentsu Global Ad Spend Forecasts | December 2025
The December 2025 Global Ad Spend Forecasts reveal that global advertising investment is set to surpass $1 trillion, driven by the rise of the Algorithmic Era where algorithms shape what people see, like, and buy. The report highlights major shifts across regions and channels, offering marketers essential guidance to navigate AI‑powered media, retail media growth, and the rapidly evolving 2026 landscape.
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