The 6W Marketing Model of Customer Analysis is a framework for understanding the needs and wants of your customers. It helps you to identify their buying process, and get them to buy by meeting their needs. The 6W Marketing Model of Customer Analysis is a framework for understanding the needs and wants of your customers. It helps you to identify their buying process, and get them to buy by meeting their needs. This model can be used by marketers, salespeople, service providers, and even CEOs to understand what motivates people in different stages of the buying process.