By Spike Brehm Here at Airbnb, we’ve been looking curiously at Node.js for a long time now. We’ve used it for odds and ends, such as the build process for some of our libraries, but we hadn’t built anything production-scale. Until now. The ProblemThere’s a disconnect in the way we build rich web apps these days. In order to provide a snappy, fluid UI, more and more of the application logic is movi