title: "Closures are poor man's objects and vice versa" - What does this mean?
body: <blockquote>
    <p>Closures are poor man's objects and vice versa.</p>
  </blockquote>
  
  <p>I have seen this statement <a href="http://c2.com/cgi/wiki?ClosuresAndObjectsAreEquivalent" rel="noreferrer">at</a> <a href="http://www.kimbly.com/blog/000063.html" rel="noreferrer">many</a> <a href="http://dotnetslackers.com/CSharp/re-198713_Epiphany_Closures_are_Objects_Objects_are_Closures.aspx" rel="noreferrer">places</a> on the web (<a href="https://stackoverflow.com/questions/501023/closures-and-objects">including SO</a>) but I don't quite understand what it means. Could someone please explain what it exactly means? </p>
  
  <p>If possible, please include examples in your answer.</p>