In today's episode, Charles Wood delves into the expertise of Samuel Williams, a prominent Ruby developer hailing from New Zealand. Charles Wood dissects his extensive experience with Ruby, the challenges he encountered while grappling with scalability, and the inception of his pivotal projects, Async and Falcon. Join them as they unravel the complexities of concurrency, actor-based models, and the future landscape of Ruby's scalability and efficiency. This episode promises to shed light on the world of Ruby development, the pursuit of streamlined code performance, and the potential environmental implications of refining programming languages.