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.

But aside from impressing the half-caff crowd, portable monitors are a useful way to add another screen to your laptop, especially when you’re on the go.

Project to this PC let you use the new Connect app on Windows 10 to project your phone or another PC to your computer screen.