Future Commerce · 2026-08-05 · 44 min
Retail media is now a $100 billion industry. Collin Colburn, VP of Commerce and Retail Media at the IAB, says we’ve entered commerce media's "day two" - the era where operational integration, interoperable measurement, and the arrival of the agentic shelf matter more than launching another network. We unpack why brands started calling retail media a tax, why Collin says we should blow attribution up, and whether an ad-supported agent can stay trustworthy. Welcome to Day Two Key takeaways: Optimization and integration replace growth-at-all-costs expansion. Brands call retail media a “tax,” sensing the industry's referee is now incrementality. Agent-referred shoppers convert higher and return less. In-store media's ceiling is customer experience, not inventory: frequency caps beat non-endemic dollars. [14:05] "Agentic commerce isn't changing what consumers buy or want to buy today. It's changing their pathway to purchase." - Collin Colburn [19:35] “The coming reckoning is in the measurement space.” - - Collin Colburn [20:45] "Attribution was built for: an ad is served, it's clicked on or seen, the customer goes to the website, and they purchase.
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