title: Blur effect in Windows 8 store application?
body: <p>How would you add a blur effect to a UI element (like a <code>StackPanel</code> or a <code>Rectangle</code>) in XAML for a Windows 8 Store application?</p>
  
  <p>I am thinking of something like <code>BlurEffect</code> in WPF, <a href="http://wpftoturials.blogspot.no/2010/07/visual-effects-in-wpf-blur-dropshadow.html" rel="nofollow">as demonstrated here</a>. Any solution should be suited for animation or at least being updated multiple times per second.</p>