Explore a comprehensive conference talk on leveraging Kotlin's capabilities across multiple platforms. Learn how to become a Kotlin expert and thrive in a multi-language world. Discover the potential of Coroutines and techniques for sharing business logic between Android and other platforms. Dive into topics such as Sudoku Playground, team structures, language status, code-safe threading, atomic references, and frozen objects. Gain insights from Sean McQuillan, an Android Developer Advocate at Google, as he presents at GOTO Chicago 2019.