title: Coolest C# LINQ/Lambdas trick you've ever pulled?
body: <p>Saw a post about hidden features in C# but not a lot of people have written linq/lambdas example so... I wonder...</p>
  
  <blockquote>
    <p>What's the coolest (as in the most elegant) use of the C# LINQ and/or Lambdas/anonymous delegates you have ever saw/written?</p>
  </blockquote>
  
  <p>Bonus if it has went into production too!</p>