title: Applications of Unification?
body: <p>What are the (practical) applications of <a href="http://en.wikipedia.org/wiki/Unification" rel="nofollow noreferrer">Unification</a>? Where it is actually being used in real world?</p>
  
  <p>I couldn't understand the whole idea of what it is really about and why it's considered as a part of Artificial Intelligence.</p>