2025: Hearts & Science and Telfast transform allergy season advertising with data-driven precision:
Telfast improved ad efficiency by integrating real-time pollen data and postcode targeting via Microsoft Advertising. Using custom APIs and Microsoft Curate, they reduced campaign complexity, updated data every 30 minutes, and minimised cookie reliance. The result: smarter targeting, reduced media waste, and stronger impact in high-pollen areas.
Download the case study here.