http://www.nodebeginner.org/#a-word-of-warning
http://blog.mixu.net/2011/02/01/understanding-the-node-js-event-loop/
http://debuggable.com/posts/understanding-node-js:4bd98440-45e4-4a9a-8ef7-0f7ecbdd56cb
http://steve-yegge.blogspot.com/2006/03/execution-in-kingdom-of-nouns.html
