AI agents and new tools reshape retail media buying

Major media platforms and tech firms are deploying AI agents for automated buying, while marketers report that proving incrementality remains the primary barrier to expanding retail media budgets.

The numbers

74% Reddit's advertising revenue jumped 74% year over year in the third quarter of 2025.
$549 million Reddit's advertising revenue reached $549 million in the third quarter of 2025.
300% SiriusXM saw a 300% increase in revenue from podcasts.

Sources

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