How do you communicate between hierarchical components as data changes in your app? While different state management techniques can be used, a simple yet powerful solution is available in RxJS. In this talk Dan Wahlin will discuss how the different RxJS subject objects can be used to create Observable Services and even simplify state management by using an Observable Store. ng-conf is a three-day Angular conference focused on delivering the highest quality training in the Angular JavaScript framework. 1500+ developers from across the globe converge on Salt Lake City, UT every year to attend talks and workshops by the Angular team and community experts. Follow us on twitter https://twitter.com/ngconf Official Website: https://www.ng-conf.org/