Explore Node.js creator Ryan Dahl's insights on simplifying and optimizing the popular JavaScript runtime in this JSConf talk. Dive into web server benchmarks, V8 garbage collection, buffer management, and memory issues. Learn about JavaScript streams, polymorphism, and the stream interface. Discover recent changes, including Promise Wait and build bot improvements. Gain valuable knowledge on enhancing Node.js performance and efficiency through Dahl's "less is more" approach, concluding with an informative Q&A session.