What is Clojure ?

This was originally a reply to some people in a thread asking me to explain what Clojure was and give a "Clojure Rocks" speech. After I wrote this, I decided to put it here so that I could link to it rather than have to reiterate myself in the future for these sorts of questions. So here it is, in all it's glory. Enjoy Clojure is a new language. It's a modern Lisp on the JVM (and the CLR). The