How and why would you mix Angular and Reactive Extensions? While at NDC London, Carl and Richard chatted with Sandi Barr about her work building reactive applications where the front-end is Angular. Sandi talks about how Angular has ReactiveJS built-in and why you want to use reactive in your applications where you have streams of data you need to look at, but not capture every bite of. Reactive is a cool pattern of development, you should add it to your repertoire!