Perching a pair of tethered glasses over my own lenses in an office in midtown New York, I see a familiar sight: Floating in front of me is a widescreen Mac monitor. It's just there, hovering in space. I move my head around to take in its size. Ironically, I'm not using a Vision Pro headset to do this. Instead, I'm wearing Xreal's newest glasses, which can cast larger displays and pin them in space, and it works with any device -- laptop, phone, game console -- that can output video via USB-C. W...