Spatial computing used to mean one thing: a $3,500 device strapped to your face. Apple Vision Pro. Meta Quest. Microsoft HoloLens. The promise was real — interacting with digital content in three-dimensional space using nothing but your hands. The barrier was enormous. Browser-based spatial computing changes everything. What Is Spatial Computing? Spatial computing is any system that allows humans to interact with digital content in physical space — using hands, eyes, and movement rather than key