This month over 1700 engineers, entrepreneurs, and business leaders from around the world flew to Copenhagen, Denmark to attend KotlinConf, a two day conference run by JetBrains, the company behind the Kotlin programming language and Intellij. Attendees came to learn more about the language that has been adopted now by over 2.2 million users and powers 60% of the top 1000 apps in the Google Play Store.