More doc tweaks

Author: chrisbianca

README.md

@@ -7,6 +7,8 @@ A set of reusable React Hooks for [Firebase](https://firebase.google.com/).
 
 > [Hooks](https://reactjs.org/docs/hooks-intro.html) are a new feature proposal that lets you use state and other React features without writing a class. They’re currently in React v16.7.0-alpha and being discussed in an open RFC.
 
+> React Hooks are not currently supported in React Native.  As soon as they are, support will be added for use with both the Firebase JS SDK and React Native Firebase.
+
 ## Installation
 
 React Firebase Hooks requires **React 16.7.0-alpha.0 or later** and **Firebase v5.0.0 or later**.
@@ -17,9 +19,11 @@ npm install --save react-firebase-hooks
 
 This assumes that you’re using the [npm](https://npmjs.com) package manager with a module bundler like [Webpack](https://webpack.js.org/) or [Browserify](http://browserify.org/) to consume [CommonJS](http://webpack.github.io/docs/commonjs.html) modules.
 
-## React Native
+## Why?
+
+It's clear that there is a **lot** of hype around React Hooks despite them still being in alpha, but this hype merely reflects that there are obvious real world benefits to React developers everywhere.
 
-React Hooks are not currently supported in React Native.  As soon as they are, support will be added for use with both the Firebase JS SDK and React Native Firebase.
+This library explores how React Hooks can work to make integration with Firebase even more straightforward than it already is.  It takes inspiration for naming from RxFire and is based on an internal library that we have used in a number of apps prior to the release of React Hooks.  The implementation with hooks is 10x simpler than our previous implementation.
 
 ## Documentation