Even if Angular 2.0 is not backwards compatible, it doesn't mean that once Angular 2.0 comes out that all of Angular 1.x is no longer useable. I'd imagine 1.x w

Even if Angular 2.0 is not backwards compatible, it doesn't mean that once Angular 2.0 comes out that all of Angular 1.x is no longer useable. I'd imagine 1.x will be used for a long time to come. Also, having a good idea of Angular 1.x especially 1.4 will prepare people a lot for 2.0.