What if you’re on your computer, though? You could point your phone at the computer screen, but that inter-device dance isn’t necessary. You can open that code right from your laptop or desktop.

And now, thanks to Onyx International, you can get a 25-inch, 3,200-by-1,800 color e-ink display, making it arguably one of the best ways to code, write, or handle any other long-form text inputs ...