Update README.md

Author: tschellenbach

README.md

@@ -10,12 +10,13 @@ Visit [cabin.getstream.io](http://cabin.getstream.io/) for an overview of all 7
 
 ## Blog Posts
 
-1. [Preview](http://blog.getstream.io/react-redux-example-app-tutorials-preview/)
-2. [Introduction](http://blog.getstream.io/cabin-react-redux-example-app-introduction/)
-3. [React & Redux](http://blog.getstream.io/cabin-react-redux-example-app-react/)
-4. [Redux](http://blog.getstream.io/cabin-react-redux-example-app-redux/)
-5. [Stream](http://blog.getstream.io/cabin-react-redux-example-app-stream/)
-6. [Imgix](http://blog.getstream.io/cabin-react-redux-example-app-imgix/)
+1. [Introduction](http://blog.getstream.io/cabin-react-redux-example-app-introduction/)
+2. [React & Redux](http://blog.getstream.io/cabin-react-redux-example-app-react/)
+3. [Redux](http://blog.getstream.io/cabin-react-redux-example-app-redux/)
+4. [Stream](http://blog.getstream.io/cabin-react-redux-example-app-stream/)
+5. [Imgix](http://blog.getstream.io/cabin-react-redux-example-app-imgix/)
+6. [Keen](http://blog.getstream.io/cabin-react-redux-example-app-keen/)
+
 
 ## Integrations