Write a comprehensive guide to creating a successful customer loyalty program, including tips on designing the program structure, determining the right incentives, identifying target audience segments, and measuring program effectiveness. Please include examples of successful loyalty programs and best practices for communicating with customers to maintain their loyalty. Additionally, provide guidance on how to track customer engagement and feedback to continuously improve the program. Finally, please ensure that the guide is written in a clear, concise, and engaging style, making it accessible for a wide range of readers.
This prompt doesn't seem malicious.