RetailX：2026年零售媒体市场洞察报告（英文版）

When we launched this survey at the end of 2021, US retail media ad spending sat at $36.7 billion. This year, that figure will nearly triple to $107.6 billion. What started as category experimentation has become infrastructure.Retail media now commands roughly 30% of all US digital ad spending. And the stakes are rising fast. Agentic commerce and GenAI-driven shopping journeys are changing how consumers discover and buy products. AI agents that compare prices, read reviews, and make purchase