The document discusses the use of wikis, specifically Atlassian Confluence, as a content management system (CMS) and the advantages they offer, such as ease of use, flexibility, and storage of version history. It highlights the concept of mashups, integrating multiple online data sources using JavaScript Object Notation (JSON), which aids in creating dynamic websites. Additionally, it covers the functionalities of Confluence as a CMS, including permissions, collaboration, and the ability to publish content while leveraging various online services.