In this chapter, we have seen various marketing challenges and the impact of the Internet and technology on marketing. We also explored how marketing automation with CRM helps streamline, automate, and measure marketing efforts and processes to make them operate efficiently and increase revenue faster. We took a deep dive into the concept of lead funnel and understood the various marketing and sales stages involved in the lead to customer lifecycle. In the next chapter, we will look into segmentation by using marketing lists in Microsoft Dynamics CRM 2013.