The document discusses DevOps and Microsoft's Visual Studio Team Services (VSTS) and Team Foundation Server (TFS). It provides an overview of DevOps and the features of VSTS/TFS, including version control options like TFVC and Git. The document outlines the development lifecycle from building, testing, and distributing code to monitoring applications in production. It also references specific VSTS/TFS features like release management, testing, and API documentation tools.