Returning errors in the first argument of a callback works great in the simplest of examples, but the further you go down that path and the more code you write it quickly becomes apparent that it's not maintainable and should be handled differently.[...] We've been developing solutions with Node.js for a couple years now and once you wrap your head around a few simple concepts, going back to anything else feels like work. Before getting into details, lets talk about a few key points.
Node.js is not[...] I've heard plenty of developers talk about how being "lazy" has pushed them into using build scripts, but that's not being fair to the value that can be achieved from a good build script. It's not about being lazy, it's about being smart. The[...] 
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