economics Collision

Brands are becoming invisible to the humans who use them, focusing instead on the AI agents that buy them.

April 14, 2026

Original Paper

Beyond Impressions: Defining the Performance Measurement Architecture for Agent-Mediated Commerce

Paul F. Accornero

SSRN · 6284458

The Takeaway

Traditional marketing metrics like clicks and impressions are becoming obsolete because AI agents, not humans, are increasingly executing the purchasing process. This "Shopper Schism" means companies must learn to advertise to an algorithm's logic rather than a human's emotions.

From the abstract

<div> The emergence of autonomous AI agents as purchasing intermediaries-exemplified by Amazon's "Buy for Me," OpenAI's Operator, and Google's Universal Commerce Protocol-creates a structural problem for marketing measurement. The entire architecture of commercial performance metrics rests on a single foundational assumption: that the shopper is human. Impressions, reach, click-through rates, brand awareness scores, and consideration-set metrics all measure human attention. When the Shopper Schi