Hachette Livre, Decentriq, and First-id Pioneer Privacy-First Data Activation through Clean Rooms

Hachette Livre has pioneered a series of audience activations using privacy-compliant data clean rooms, partnered with First-id and Decentriq. These activations enabled collaborations with leading French media groups to analyze first-party data, resulting in audience match rates of up to 43% and significant increases in website visits. The project exemplifies how brands can conduct effective marketing without third-party cookies, while maintaining privacy standards. Key players from Hachette and media partners expressed confidence in the simplicity and effectiveness of clean room technology for audience engagement.

"Privacy-safe collaboration between brands and publishers is both possible and effective, as demonstrated by Hachette Livre's recent audience activations with data clean rooms."

"Activating a clean room is simple, fast, and impactful, showcasing the scalability of privacy-compliant audience engagements in the digital marketing space."

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