Need-to-know, applied to the bid stream. For years, bid requests sprayed data to anyone who asked. ARTF flips that. An agent gets what it needs for its job and nothing else. Privacy teams will like this one.
Ad tech glossary
Least-Data Principle
Technical definition
An ARTF rule that agents receive only the minimum bid request data the host allows, with private and competitive signals removed.
The ADLINGO translation
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Related terms
- A2A (Agent2Agent Protocol)
- AAMP (Agentic Advertising Management Protocols)
- adagents.json
- AdCP (Ad Context Protocol)
- Agent Manifest
- Agentic Advertising
- Agentic Audiences
- Agentic Commerce
- Agentic Commerce Protocol (ACP)
- Agentic Marketplace
- AgenticAdvertising.org
- Answer-Based Ads
Where this shows up
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I'm clocking two kinds of advertising executives right now: Ones who treat AI like a procurement decision, and the ones treating it like a leadership test. One buys tools. The other builds teams that know how to use them.
The skills that survive
You cannot automate a decade of being trustworthy. You can't prompt your way to someone wanting to work with you for the next year.
The RFP Oracle
The ad tech sales season is wrapping up for 2026. AI dominated everything the market responded to this year, and it was the most predictable trend ever. All we had to do was pay attention to what the agencies were asking.