This lesson is part of the Rxjs and Reactive Patterns Angular Architecture Course - https://angular-university.io/course/reactive-angular-architecture-course?utm=yt1&couponCode=RXJS_YOUTUBE_LAUNCH In this lesson we are going to see how to structure our application to split it into a view layer and a service layer. The way that the two layers will interact is via a Observable-based API, we are going to see how we can design and implement such API. For more videos tutorials on Angular 2, check the Angular University website - https://angular-university.io/ Follow us: Twitter - https://twitter.com/AngularUniv Google+ - https://plus.google.com/u/1/113731658724752465218 Facebook - https://www.facebook.com/angular.university Check out the PDF E-Books available at the Angular University - https://angular-university.io/my-ebooks