title: what is the #! sign in the url what does it mean?
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/2800187/what-is-it-when-a-link-has-a-pound-sign-in-it">What is it when a link has a pound &ldquo;#&rdquo; sign in it</a>  </p>
  </blockquote>
  
  
  
  <p>i saw the #! sign in the url 
  like :</p>
  
  <pre><code>http://www.google.jo/#!
  </code></pre>
  
  <p>but i dont know what is it mean?
  i know that 
  this </p>
  
  <pre><code>http://www.foo.com#bar 
  </code></pre>
  
  <p>is used to link an element in the page .
  but what about ! character</p>