This looks neat:

It has an e-ink screen on the other side of the main display
Quote:
The laptop had a regular screen on one side of the display panel and a gray scale e-ink screen on the other. When it was shut, the e-ink screen could serve as an electronic sticker to read ebooks, images, text messages or news .
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Source:
http://www.pcworld.com/article/26052...pe-laptop.html