My understanding is that Raymond Chen ( http://blogs.msdn.com/b/oldnewthing/ http://blogs.msdn.com/b/oldnewthing/ ) was a huge part of ensuring that everything

My understanding is that Raymond Chen ( http://blogs.msdn.com/b/oldnewthing/ http://blogs.msdn.com/b/oldnewthing/ ) was a huge part of ensuring that everything was backwards compatible. If you like that kind of thing, he's got a book: http://www.amazon.com/The-Old-New-Thing-Development/dp/0321440307 http://www.amazon.com/The-Old-New-Thing-Development/dp/03214...