If you look at the trajectory of computing, we have spent forty years forcing human thoughts into a plastic grid of keys, but the final interface is simply the human voice. This keynote tracks the evolution of conversational AI from early command-based systems to the ultra-low latency pipelines of today, and reveals where the field goes next. We will explore the major architectural shifts that brought us here, the current systems bottlenecks we are fighting, and the upcoming paradigm shift toward native audio computing. By looking at how the underlying technology is changing, you will see how voice will move from a novelty feature to the primary interface that renders the keyboard obsolete.