The document discusses ExpressionEngine 2 (EE2), a content management system. It highlights some key features of EE2 including being built on the CodeIgniter framework, having powerful and friendly tools, and excelling at content entry through the use of forms, fields, and channels. It also discusses starter files that can be used as reusable templates for beginning EE projects and how accessories can add extra functionality to the EE control panel. Finally, it briefly covers the EE2 application programming interface (API) and some of its advantages for developers.