This video from AWS re:Invent 2023 explores the latest features and capabilities of Amazon EMR and Amazon Athena, two fully managed analytics services for running open-source frameworks at scale. Vinita Ananth, product lead for open-source data analytics, discusses improvements to EMR's performance, cost optimization, and deployment options. The session highlights EMR Serverless, support for S3 Express One Zone, and enhanced security features. A customer case study from Telkomsel demonstrates how they leveraged EMR to modernize their data infrastructure. The presentation also covers new developments in Athena, including support for provisioned capacity and fine-grained access control. Overall, the video showcases how AWS continues to innovate in big data analytics to provide better performance, flexibility, and cost-effectiveness for customers.