()

Let me get this straight, just as I am acclimating myself to groovy,
the world is coming around to lisp? I'll believe that when I see it.
But 10 years from now, I can imagine a programming community that
thinks nothing of the (), which is exactly how one should feel about
them.

http://www.dehora.net/journal/2008/12/02/qotd-mock-objects/

http://www.innoq.com/blog/st/2008/12/languages.html