Update README.md

Author: EricSimons

README.md

@@ -2,9 +2,9 @@
 
 > ### React + Redux codebase containing real world examples (CRUD, auth, advanced patterns, etc) that adheres to the [RealWorld](https://github.com/gothinkster/realworld-example-apps) spec and API.
 
-<a href="https://thinkster.io/tutorials/build-a-real-world-react-redux-application" target="_blank"><img width="454" src="https://raw.githubusercontent.com/gothinkster/realworld/master/media/learn-btn-hr.png" /></a>
+<a href="https://stackblitz.com/edit/react-redux-realworld" target="_blank"><img width="187" src="https://github.com/gothinkster/realworld/blob/master/media/edit_on_blitz.png?raw=true" /></a>&nbsp;&nbsp;<a href="https://thinkster.io/tutorials/build-a-real-world-react-redux-application" target="_blank"><img width="384" src="https://raw.githubusercontent.com/gothinkster/realworld/master/media/learn-btn-hr.png" /></a>
 
-### [Demo](https://react-redux.realworld.io)&nbsp;&nbsp;&nbsp;&nbsp;[RealWorld](https://github.com/gothinkster/realworld)&nbsp;&nbsp;&nbsp;&nbsp;[<img width="187" src="https://github.com/gothinkster/realworld/blob/master/media/edit_on_blitz.png?raw=true" />](https://stackblitz.com/edit/react-redux-realworld) 
+### [Demo](https://react-redux.realworld.io)&nbsp;&nbsp;&nbsp;&nbsp;[RealWorld](https://github.com/gothinkster/realworld)
 
 Originally created for this [GH issue](https://github.com/reactjs/redux/issues/1353). The codebase is now feature complete; please submit bug fixes via pull requests & feedback via issues.