The integration between Courier and RudderStack allows businesses to collect, process, and route customer event data across product, marketing, and analytics tools for better decision-making. This enables the tracking of user actions and the use of customer data stored in RudderStack to improve the notification experience for users. Courier makes it easy to trigger notifications based on RudderStack events, removing complexity for engineers and data teams. The integration provides a single interface for developers to manage all communications, reducing complexity and eliminating the need for multiple APIs and libraries. With this integration, businesses can gain a clearer picture of their users and use that insight to improve communication strategies, track notification engagement data, and create more personalized app experiences.