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

Amazon Marketing Cloud is Amazon Ads’ clean room solution for privacy-safe measurement and analytics. It allows advertisers to analyze pseudonymized Amazon Ads signals together with their own inputs. The solution supports custom insights, audience creation, and campaign optimization in a secure environment. Its purpose is deeper measurement across advertising and retail-related signals without exposing user-level identifiable data.