Good old presentation by Rich Hickey about concurrency in Clojure - now with slides and video joined together!

Source video: http://www.youtube.com/watch?v=dGVqrGmwOAw
Slides: https://github.com/dimhold/clojure-concurrency-rich-hickey/blob/master/ClojureConcurrencyTalk.pdf?raw=true

"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."

Part 1 of a presentation by Rich Hickey to the NYC Java Study Group. A gentle introduction to Clojure, part 1 focuses on reader syntax, core data structures, code-as-data, evaluation, special operators, functions, macros and sequences. No prior exposure to Lisp is presumed.