The document discusses the training lifecycle for large IT rollouts. It identifies four key audiences that require training: project team members, power users, end users, and support desk teams. The training needs and timing for each audience across the IT project lifecycle are described. Key lessons learned emphasize the importance of thorough training to ensure user adoption, meet business needs, and maximize return on investment. Cutting training costs can end up costing more in the long run due to increased errors and support calls.