Embark on a comprehensive 3-hour journey into Kotlin, one of the most exciting and rapidly adopted JVM languages. Start from the basics and progress through broader and more exotic topics, gaining exposure to the breadth and depth of Kotlin. Explore functional aspects of the language and standard libraries, delve into coroutines, and learn about Kotlin's interoperability with the Java ecosystem. Discover how to seamlessly integrate Kotlin skills alongside Java colleagues with minimal fuss. By the end of this educational and fun exploration, gain the knowledge and excitement to confidently write Kotlin code for both backend development and mobile app creation.