This free and open-source app lets you use any device as an extended PC monitor for macOS, Windows, or Linux. Here's how to ...

Air Display is an iOS app that lets you use an iPhone, iPod touch, or iPad as a secondary display for a Mac. This week the developer added support for the new iPad’s Retina display, which means that ...

Although generally iPads tend to keep their resale value, there are a few exceptions, such as when you find yourself burdened ...