Why Clojure? by Vijay Kiran 

Clojure is a functional, dynamic programming language that targets on JVM, CLR and JavaScript (using ClojureScript) - A language Optimized for Developer Happiness and Productivity
In this talk we'll explore the foundations of the language and several features that make working with Clojure a joy such as STM, functional programming, concurrency support (primitives, channels) and transducers and their real-world applications.