The document discusses developing coherent strategy in turbulent times. It notes that the current environment features changing times, globalization, low barriers to entry, commoditization, consolidation, instability, and increasing buyer power and technology. It then discusses defining a strategic framework, refining the business model through experimentation, measurement, and learning from experiments. It advocates for a "lean strategy" approach of empowering local experimentation within strategic boundaries to explore innovations and market trends, using metrics to learn from customer feedback and market data, and revising strategies based on learning. The overall message is that a clear strategic perspective allows organizations to effectively learn and adapt rapidly for competitive advantage.