A presentation by Rich Hickey to the Western Mass. Developers Group on Clojure and concurrency. Brief overview of Clojure, discussion of concurrency issues, locking, and immutabiity. In-depth look at Clojure's refs, transactions and agents. Demonstration and review of code for a multithreaded ant colony simulation.Be sure to grab the slides and code in order to follow along.Thanks to Shawn Fumo for working on this video. Less