The end of flat.

We have spent a century compressing the three-dimensional world onto two-dimensional rectangles. Photography did it first, then cinema, then the screen in your hand. Each step traded depth for distribution, and each time the trade paid off — flat content was easier to print, broadcast, ship, and store.

But the human visual system was never optimized for rectangles. We evolved to read a forest, not a feed. Eight muscles per eye, a fovea built for parallax, a visual cortex that does most of its work below the threshold of conscious thought — all of it idling, most of the time, against a flat plane held twenty inches from the face.

The cost of the trade is now visible. Eye strain has become an occupational hazard. Attention has fragmented because flat content optimizes for scroll, not depth. Remote work has hit a ceiling that no amount of additional pixels seems to break: video calls are exhausting in a way in-person meetings are not, and the difference is mostly about depth.

Holographic display gives the visual system back its native medium. There is no convergence-accommodation mismatch, because the light field is real. There is no perspective lock, because every viewer sees the correct parallax from their own position. There is no eye strain after twenty minutes, because the eyes are doing what they evolved to do.

The next decade will be a steady migration of high-value media off the rectangle. It will start with moments that justify the capex — the boardroom, the flagship, the surgery, the keynote — and trickle outward. Within ten years, the flat screen will look like the daguerreotype: a brilliant invention from an era that needed it, and a curiosity in the era that came after.

We are building for that era now. Not because the screen is going away tomorrow, but because the most interesting work in display is no longer happening on it.