Samsung, Lenovo and others are offering foldable screens and devices that pair to widen your computer view while on the road.

Nex Computer LLC announced today the launch of NexPad: a portable monitor with built-in magnets that can attach to laptops for vertical dual-screen se ...

Using a laptop as a monitor for another computer allows you to not only mirror your computer's screen on the laptop but also extend it, meaning you can show different content on both screens.