Now I know what a tiny 1,000-ppi 4K display looks like

At this year's CEATEC, Sharp is showing off a bunch of hot new displays that might actually have some practical use. If you thought the pixel density wars ended once we reached the point where the naked eye can no longer tell the difference between ever-sharper smartphone screens, VR may make you think again — the technology involves you placing the screen super close to your eyes and focusing on it with special lenses, which is unforgiving even to the sharpest display.
That's why Sha