Following years of development, electronic paper is now entering ... bulletin boards pasted on the walls of buildings, shelf labels at supermarkets or displays on integrated-circuit cards.

As a kid, I remember that my grandparents always had a weather display hanging on the wall. It was pretty basic ... microcontroller with a 7.5-inch e-paper display. You can view current weather ...

Most screens, then, are poor replacements for paper. Except, of course, for E-paper. These displays have high contrast even in sunlight and they hold their image even with no power. When ...