title: How do you change the URL in the address bar without reloading the page?
body: <p>How does Shopify do this? Go to their website, click on the Features link and you'll see that the URL in your browser's address bar says: </p>
  
  <p><a href="http://www.shopify.com/tour/sell-online">http://www.shopify.com/tour/sell-online</a></p>
  
  <p>Then click on any of the sub links and you'll see that the URL in the address bar changes without using a hash and there is no page flip.</p>
  
  <p>I don't think they are using ajax to change the content because it all appears to be included in hidden divs on the page, but regardless, you can apparently change the URL using client side tricks. Your help is appreciated?</p>