Why Everyone Is Talking About Node: "In traditional languages and frameworks, the communication inside the app between the web server and the database is the most time-intensive part of the transaction. Node makes a much smaller footprint on your web server. It allocates web server resources on an as-needed basis, not pre-allocating a large chunk of resources for each user. For example, Apache might assign 8MB to a user, while Node assigns 8KB."
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