Demand Side Platform (DSP)

The DSP category was at the center of the industry's most heated conversation this week, as brand and agency executives publicly aired grievances about the three platforms that dominate automated buying: The Trade Desk, Google's Performance Max, and Meta's Advantage+. The Digiday piece capturing these frustrations is significant not just for its candor but for what it reveals about the structural dynamics of the market — advertisers feel locked into platforms they distrust, with limited recourse and even less transparency. The criticism of Performance Max in particular reflects a broader anxiety about AI-driven campaign management that removes human control in exchange for algorithmic optimization that can't be audited.

At the same time, the agentic media buying debate adds another layer of complexity for DSPs. If AI agents become legitimate media buyers — negotiating, bidding, and optimizing autonomously — the role of traditional DSP interfaces and managed services changes dramatically. Both AdExchanger and Digiday ran substantive pieces weighing the case for and against this future, suggesting the industry is genuinely uncertain about the timeline and viability of agentic buying at scale.