Data clean rooms enable organizations to securely collaborate and analyze sensitive first-party and partner data without exposing raw personally identifiable information (PII), making them essential for privacy-focused analytics, advertising, and cross-company data sharing. These platforms are widely used for use cases like audience measurement, attribution, and marketing optimization while ensuring compliance with regulations such as GDPR and CCPA. In your opinion, what is the biggest advantage of using data clean rooms in modern data ecosystems, and which feature—such as privacy-preserving computation, interoperability, or identity resolution—do you think is most critical for enabling secure and scalable data collaboration across organizations?