The document discusses the history and development of open data portals and platforms. It notes the launch of early government open data portals like Data.gov in 2009 and the growth of the open data ecosystem. It then describes the open source CKAN platform and how the DKAN distribution was created to bring open data capabilities to the Drupal content management system, allowing governments already using Drupal to more easily publish and manage open data. The document provides an overview of DKAN's features and ongoing development areas.