The document discusses the customer journey approach, which analyzes the customer's experience with a product or service step-by-step from the customer's perspective. It outlines the typical phases of a customer's lifecycle and how mapping these phases can provide insights. Personas and touchpoints are tools used to analyze the customer journey. An example journey of buying kitchen equipment online is provided and opportunities to improve the customer experience are identified, such as following up after delivery issues. Managing the customer experience is discussed based on measuring key performance indicators at different stages of the journey.