title: How are render @users and render 'new' different?
body: <p>In RoR, I sometimes see:</p>
  
  <pre><code>render @users
  </code></pre>
  
  <p>or </p>
  
  <pre><code>render 'new' 
  </code></pre>
  
  <p>How are the two different?</p>