What is Data Clean Room?
Also known as: DCR
Quick definition
A data clean room is a secure environment where two or more parties, such as a retailer and an advertiser, match and analyze their first-party data under strict privacy controls, getting aggregated insights without exposing raw user-level records to each other.
Key points
- Uses
- Audience overlap, activation, reach/frequency and sales lift measurement.
Benefits
- Privacy-safe collaboration on first-party data
Trade-offs
- Interoperability is limited across providers
- Requires analytical skill and scale
FAQ
Is a clean room a DMP?
No. A DMP stores and segments audience data; a clean room governs joint analysis between separate data owners.
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Official sources
Last reviewed 2026-10-27. Explanations are written by AdTech Radar; consult the official specification for implementation.