anchor.diff:  .callout.is-helpful
     header Angular is in developer preview
     p.
  -    This quickstart does not
  -    reflect the final development process for Angular. The following setup is for those who
  -    want to try out Angular while it is in developer preview.
  +    This quickstart does not reflect the final development process for writing apps with Angular.
  +    The following setup is for those who want to try out Angular while it is in developer preview.
   
   // STEP 1 - Create a project ##########################
   .l-main-section
  
positive.code:           &lt;title&gt;Angular 2 Quickstart&lt;/title&gt;
            &lt;script src="https://github.jspm.io/jmcriffey/bower-traceur-runtime@0.0.87/traceur-runtime.js"&gt;&lt;/script&gt;
            &lt;script src="https://jspm.io/system@0.16.js"&gt;&lt;/script&gt;
            &lt;script src="bundle/angular2.dev.js"&gt;&lt;/script&gt;
          &lt;/head&gt;
  
    p.
      Add the following module-loading code before the <code>&lt;my-app&gt;</code> tag:
  
    pre.prettyprint.linenums
      code.
  
negative.code: 
    p.
      The goal of this quickstart is to write a component in TypeScript that prints a string.
      We assume you have already installed <a href="https://docs.npmjs.com/getting-started/installing-node">Node and npm</a>.
  
    p.
      To get started, create a new empty project directory. All the following commands should be run
      from this directory.
  
    p.
      To get the benefits of TypeScript, we want to have the type definitions available for the compiler and the editor.
      TypeScript type definitions are typically published in a repo called <a href="http://definitelytyped.org/">DefinitelyTyped</a>.
      To fetch one of the type definitions to the local directory, we use the <a href="https://www.npmjs.com/package/tsd">tsd package manager</a>.
  
    pre.prettyprint
      $ npm install -g tsd
      $ tsd query angular2 --action install
  
    p.
      Next, create two empty files, <code>index.html</code> and <code>app.ts</code>, both at the root of the project:
  
    pre.prettyprint
      $ touch app.ts index.html
  
  // STEP 2 - Start the TypeScript compiler ##########################
  .l-main-section
  