This machine learning use case diagram depicts the customer journey optimization use case of machine learning in marketing. The process's main goal is to reduce the customer acquisition cost to a specific conversion point. One of the most common approaches is the top-down approach. It considers customer objectives such as purchase patterns, pricing, and business comparisons and maps marketing touchpoints to customer objectives. However, due to the lack of data insights, as illustrated in this machine learning use case diagram, this approach does not result in significant revenue generation. Go ahead and start using EdrawMax to create beautiful use case diagrams for your organization.