title: Hidden Features of Xcode 4
body: <p>Now that Xcode 4 is officially released it's time for a follow up to my previous question: <a href="https://stackoverflow.com/questions/146297/hidden-features-of-xcode">Hidden Features of Xcode</a></p>
  
  <p>So what are they? What are those hidden little Xcode 4 hints &amp; tips that you can't live without?</p>
  
  <p>Please limit your tips to those that are <em>new and specific to Xcode 4!</em></p>