http://blogs.msdn.com/tom/archive/2008/10/02/tail-calling-in-net.aspxThought I would give a little details on one type of optimization that it is possible to see and explain what it is and how it affects things so that if you come across it, you will understand what is happening. So there is this concept of tail callingen-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/tom/archive/2008/10/02/tail-calling-in-net.aspx#8973357Thu, 02 Oct 2008 13:20:23 GMT91d46819-8472-40ad-a661-2c78acb4018c:8973357 Tail calling in .NET : EasyCoded<p>PingBack from <a rel="nofollow" target="_new" href="http://www.easycoded.com/tail-calling-in-net/">http://www.easycoded.com/tail-calling-in-net/</a></p> http://blogs.msdn.com/tom/archive/2008/10/02/tail-calling-in-net.aspx#9013334Thu, 23 Oct 2008 19:58:34 GMT91d46819-8472-40ad-a661-2c78acb4018c:9013334ton<p>Tom I noticed that the First() method is missing from both callstack examples. Is there some particular reason why? </p>http://blogs.msdn.com/tom/archive/2008/10/02/tail-calling-in-net.aspx#9017273Mon, 27 Oct 2008 04:11:06 GMT91d46819-8472-40ad-a661-2c78acb4018c:9017273Tom<p>When we are in the Second method, First will have already executed and been removed from the stack. &nbsp;The same holds true for when Third is executing.</p>