The document discusses applying an agile methodology to a data migration project from Basecamp to SharePoint. It describes agile as an iterative approach involving collaboration between cross-functional teams in sprint sessions to deliver functionality. An agile data migration would involve these teams working in sprints to map data from the old to new systems and transfer it over incrementally. The document outlines the various stages and roles needed in an agile data migration project, including planning, analysis, development, testing, deployment and closing stages.