The Complete Feed

Agentic media trading is moving from concept to real-world execution. This article examines the infrastructure buyers and publishers need to participate—and the discovery, protocol, execution, verification, settlement and governance layers taking shape around it. As the market automates, the industry may believe it is choosing software while actually choosing its next set of intermediaries.

Programmatic advertising automated the transaction. AI may automate the negotiation. In this episode of Signal & Noise, Brett House and Rio Longacre sit down with Andrew Mole, CEO and Co-Founder of PubX, for a provocative conversation about agentic trading, publisher monetization, and what happens when AI agents begin representing both sides of the advertising market.

The future of digital advertising may have just taken a major step forward. Following Boostr and Vox Media’s landmark agentic media buy using AdCP, Patrick O’Leary joins Signal & Noise to explain how AI agents negotiated a real media transaction, what humans still controlled, and why this could reshape buying, selling, and the economics of digital advertising. If you want to understand where agentic trading is headed, this conversation is essential.

Agentic trading is no longer a future concept—it has already begun. As AI agents start negotiating media transactions directly, the real question isn't whether RTB disappears, but how much of advertising shifts to a new hybrid model. What happens to DSPs, SSPs, agencies, and publishers when machines can negotiate outcomes? A look at the economics, incentives, and future of programmatic advertising.