The problem of underutilized features lies in the way they are presented to users, often due to UI blind spots, unclear labels, or buried locations. To improve call-to-actions, designers can use observational research to identify issues and gather feedback from potential users. Key principles include using text with icons, remembering user familiarity with button locations, and providing clear and reliable iconography for tasks. Effective solutions involve speaking the user's language, using triggered messages to promote underutilized features, and making changes that are not subtle or ambiguous.