This document summarizes announcements from AWS re:Invent 2016 related to transforming applications, security, cost optimization, reliability, and operational excellence. Key services discussed include the Well-Architected Framework course, Amazon CloudFormation, AWS OpsWorks for Chef Automate, Amazon EC2 Systems Manager, AWS CodeBuild, AWS X-Ray, AWS Personal Health Dashboard, AWS Shield, Amazon Pinpoint, AWS Glue, AWS Batch, C# support for AWS Lambda, AWS Lambda@Edge, AWS Step Functions, and several others. Many of these services were generally available or in preview at the time.