The May 2026 Digiday Programmatic Summit in Palm Springs made agentic ad buying its centrepiece. Teams competed using AI agents with real budgets. The IAB Tech Lab's Agentic RTB Framework is restructuring the programmatic supply chain.
The question is no longer whether AI agents will handle media buying. It is how to keep humans in the loop while they do.
Digiday handed teams a $6,000 budget, access to AI agents and a brief: win the most ad impressions at the lowest price. This was not a thought exercise. This was the centrepiece workshop at their May 2026 Programmatic Marketing Summit in Palm Springs.
Agentic ad buying dominated the three-day event. The IAB Tech Lab's Agentic RTB Framework and the Ad Context Protocol (AdCP) were presented not as future concepts but as operational infrastructure being deployed now. The question was not whether AI agents would handle media buying. It was how to keep humans in the loop while they do.
The summit gathered senior brand and agency leaders for sessions on legacy system migration, privacy in autonomous bidding, and real-world adoption challenges. The tone was pragmatic. Nobody was selling a vision. They were troubleshooting implementation.
Why it matters
Agentic media buying means AI agents that negotiate, bid, optimise and reallocate budget without human intervention at the transaction level. The human role shifts from execution to governance. You set the strategy, the constraints, the brand safety parameters. The agent executes thousands of micro-decisions per second.
Per-team budget allocated in the live AI agent media buying competition at Digiday's summit
Duluth Trading Company told attendees they trust AI agents with bidding but not brand storytelling. That distinction matters. The emerging model is: agents handle price, placement and pacing. Humans handle positioning, creative and brand voice. The handoff point between human and machine is the new strategic decision for every media team.
For Australian agencies and in-house teams, the timeline is compressed. When the IAB Tech Lab publishes a framework, adoption follows within 12 to 18 months across major DSPs. If your programmatic team is still manually adjusting bids and shifting budget between campaigns, you are doing work that AI agents will handle natively within a year.
What to do about it
Audit your programmatic workflow for tasks that are repetitive, rules-based and speed-sensitive. Those are your first candidates for agentic delegation. Learn the AdCP specification. Start conversations with your DSP about their agentic roadmap. And decide now where the human-agent boundary sits for your brand. Because if you do not draw that line deliberately, the tools will draw it for you.