While the world’s hi-tech policy attention (including mine) has been focused on generative artificial intelligence (AI), the closely related technology of advanced virtual reality — I’ll call it Total Electronic Immersion, or TEI — has continued to move forward, raising both promises and perils. We ignore the policy implications of TEI at our own risk. The topic is difficult to address because there have been so many variations of virtual reality (VR), using different terminology and many different American, Chinese, Korean, Japanese and other platforms, ranging from the experience of just viewing a smartphone screen to wearing earphones while watching...