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+# Ionic
+
+Ionic makes it easy for web developers to best-in-class build mobile apps across major platforms, like iOS
+and Android.
+
+Since the initial release of Ionic in November 2013, 700,000 apps have been created with the Ionic SDK,
+and many have been featured as top apps in the Apple App Store, Google Play Store, and Amazon App Store.
+
+Ionic is a collection of CSS and Javascript components based on Angular 2. The core philosophy behind
+Ionic is that a web developer can use the standard HTML5/CSS/Javascript stack they already know and love,
+but get real mobile components underneath that adapt automatically to the device and platform they
+run on.
+
+## New to Ionic?
+
+If Ionic 2 is your first exposure to Ionic, jump right in with the [Getting Started]() guide. Otherwise,
+read below for some design philosophy changes from v1.
+
+## New Concepts in Ionic 2
+
+Ionic 2 brings even more parity to native SDKs like iOS and Android for the web stack.
+
+With that in mind, some core components (like routing) work differently in v2 than v1.
+
+### Navigation
+
+In Ionic 1, we used UI Router with URL routing heavily to define navigation in your app.
+
+The overwhelming feedback from Ionic 1 developers is that the routing and navigation
+system was too difficult to use in practice. It was challenging to correctly map
+URLs to views, and the navigation system didn't give the developer enough fine-grained control.