Check out a free preview of the full Reactive Angular 2 with ngrx course:
The "Async Pipes" Lesson is part of the full, Reactive Angular 2 with ngrx course featured in this preview video. Here's what you'd learn in this lesson:

The async pipe resolves asynchronous data directly in the template. It skips the process of manually subscribing to an async method in the component. After looking at a simple code example that uses an async pipe, Scott answers some audience questions about using observables vs. promises with a single HTTP requests. Scott also shares the Rx Marbles website which provides interactive diagrams of Rx observables.

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