The browser is a super valuable real estate because it gives users worldwide easy access to the Internet and the WWW.
Some of the big tech companies of the world are competing with each other in the browser wars (Facebook, Google, Apple, Microsoft, Mozilla). Since the years 2000’s each one tries to acquire as much users to their browser as possible.
Ryan Dahl assessed the value of the Google V8 Engine and started packaging it for development server applications. This resulted in Node.js which has become an immensely popular platform for server side development by all the big tech companies.
The market place for enterprise apps is taken up for +80% by the Java stack and the Microsoft .Net stack.
The Google Firebase platform/framework and the Meteor platform/framework are strong candidates to become just that. These application development frameworks typically ccover: data replication, universal JS, optimistic UI, ES2015/ES2016/ES2017, reactive rendering, client code updates, a native mobile container and management of connected clients.