____is a clean room solution,used to help measure retail performance in which advertisers can easily perform analytics across pseudonym i zed signals, including Amazon Ads signals as well as their own inputs.

Amazon Marketing Cloud (AMC) is a clean room solution designed for advanced measurement and analytics. It allows advertisers to combine pseudonymized Amazon Ads signals with their own datasets to gain deeper insights into campaign performance and customer journeys. This enables custom attribution models, audience analysis, and cross-channel measurement that isn't possible with standard reporting. Amazon Brand Analytics, while providing valuable retail insights, is a reporting tool focused on brand performance metrics within Amazon, not a clean room for combining diverse datasets for advanced analytics.