Hello, zmmx019! Thank you so much for taking the course! 😊 Currently, the follow-up lectures <Practical! Developing a Book Management Application with Kotlin and Spring Boot> <Advanced Kotlin> <Finishing Coroutines in 2 Hours> are prepared as the follow-up lectures to the introductory course on coroutines! 👍 I need to update the concluding video that guides the follow-up lectures soon~ Thank you for letting me know the good points. Have a nice weekend! 🙏 🙇