title: What's the purpose of Thread.SpinWait method?
body: <p>From the <a href="http://msdn.microsoft.com/en-us/library/system.threading.thread.spinwait.aspx" rel="noreferrer">MSDN</a> is not really clear its purpose. </p>
  
  <p>Can it be used to simulate an intensive CPU calculation test?</p>