Second-party data is another organization's first-party data, shared through a direct partnership rather than bought from a third-party broker.
Category
Data Types
Also known as
2nd-party data
It is often exchanged in a data clean room so neither side exposes raw records. It is common in partnerships between brands, retailers, and publishers.
In practice
Second-party data is only as good as the partner’s collection and consent. Agree on definitions and permissions before you rely on it for targeting.
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