Explore the power of reactive programming in managing state and asynchronous behavior in large applications through this insightful conference talk from AmsterdamJS 2017. Dive deep into the advantages of observables over promises, learning how they can help manage complexity, handle data, and scale your applications effectively. Discover why reactive programming is a game-changer for software engineers, and gain valuable insights on how to overcome the challenges of callback hell. Join Simona Cotin, Software Engineer at Microsoft, as she shares her expertise on RxJS and demonstrates how observables can revolutionize your approach to building robust and scalable JavaScript applications.