The Microsoft Clarity Heat Map Service allows developers to gain insight into user interaction patterns across multiple devices simultaneously. By analyzing heat maps, businesses can identify the most popular sections of their applications or websites, understand user navigation trends, and optimize their product designs for better user experience. The screen recording feature captures real-time usage scenarios, helping developers simulate various interactions as they design interfaces. This tool is essential for improving app usability, enhancing the user experience, and ensuring that products are aligned with actual usage patterns.