Data clean rooms are secure environments that enable multiple organizations to collaborate on their data for analysis and insights, without directly sharing the raw data itself. This allows for privacy-preserving data collaboration, where companies can combine their datasets to gain valuable insights while maintaining control over their sensitive information. Essentially, data clean rooms provide a controlled space where parties can perform analyses, such as audience overlap or campaign attribution, while adhering to strict privacy and security protocols. This technology addresses the growing need for data collaboration in a privacy-conscious world, particularly in industries like advertising, marketing, and healthcare.