This video from AWS re:Invent 2023 explores the latest capabilities of Amazon OpenSearch Service, focusing on the new vector engine for OpenSearch Serverless and zero-ETL integration with Amazon S3. The presenters discuss how these features enable efficient storage and querying of billions of vector embeddings, facilitating the development of generative AI applications and interactive search experiences. They also introduce the OR1 instance family, which offers improved price performance and data reliability. The session provides insights into building AI-powered search applications, optimizing costs, and leveraging serverless technologies for enhanced scalability and performance in data analytics and search operations.