The document discusses evolving Lean approaches in large, matrixed organizations like IBM. It notes that while a Toyota-like culture may be a good goal, IBM's reality requires tying benefits back to financial metrics. The document then summarizes IBM's Application Management Services and notes its large, matrixed structure and focus on commercial success. It discusses initial resistance from managers to more formal Lean projects but adopting a lighter "Kaizen" approach of continuous small improvements. An example uses Kanban to visualize a process and address problems in a major project. The document promotes the A3 problem-solving method for sustainability and argues it can drive improvement at all levels.