The dual-screen Kyocera Echo smartphone for Sprint lets you do two things at once, or look at the world through a 4.7-inch window. But it's only the vanguard of a legion of dual-screen devices that ...

I love e-ink devices and have ever since I first used a Barnes & Noble Nook a decade ago. They're the visual equivalent of an ...

Even with a typical dual display smartphone, one screen is the primary panel with a secondary one usually being housed on the outside/back as a cover panel. But with the Pixel Duo concept, both ...