NodeJS has been garnering a lot of attention late. Briefly, NodeJS is a server-side JavaScript runtime implemented using Google's highly performant V8 engine. It provides an (almost) completely non-blocking I/O stack which, when combined with JavaScript closures and anonymous functions, makes it an excellent platform for implementing high throughput web services. As an example, a simple "Hello, world!" application written for NodeJS performs comparably to an Nginx module written to do the same.

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