anchor.diff:        <h1>Learn More About Heroku &amp; Facebook Apps</h1>
         <ul>
           <li>
  -          <a href="https://www.heroku.com/" target="_top" class="icon heroku">Heroku</a>
  -          <p>Learn more about <a href="https://www.heroku.com/" target="_top">Heroku</a>, or read developer docs in the Heroku <a href="https://devcenter.heroku.com/" target="_top">Dev Center</a>.</p>
  +          <a href="https://www.heroku.com/?utm_source=facebook&utm_medium=app&utm_campaign=fb_integration" target="_top" class="icon heroku">Heroku</a>
  +          <p>Learn more about <a href="https://www.heroku.com/?utm_source=facebook&utm_medium=app&utm_campaign=fb_integration" target="_top">Heroku</a>, or read developer docs in the Heroku <a href="https://devcenter.heroku.com/" target="_top">Dev Center</a>.</p>
           </li>
           <li>
             <a href="https://developers.facebook.com/docs/guides/web/" target="_top" class="icon websites">Websites</a>
  
positive.code:             </ul>
            </div>
          </section>
  
      <% end %>
  
  
  
negative.code: 
      <section id="get-started">
        <p>Welcome to your Facebook app, running on <span>heroku</span>!</p>
        <a href="https://devcenter.heroku.com/articles/facebook?utm_source=facebook&utm_medium=app&utm_campaign=fb_integration" target="_top" class="button">Learn How to Edit This App</a>
      </section>
  
  
  