One of the doubts I had was how these 'broker' approaches are better than basic Event emitters, and Postal has a nice section : https://github.com/postaljs/post

One of the doubts I had was how these 'broker' approaches are better than basic Event emitters, and Postal has a nice section : https://github.com/postaljs/postal.js#why-would-i-use-it https://github.com/postaljs/postal.js#why-would-i-use-it