Imagine needing to write something in a hurry. Well, if you have a Galaxy Note, you can just pull out the S Pen and scribble on the lock screen. And well, you can do that on the iPhone and iPad ...

How to use an iPad as a second screen for your Mac The ability to use an iPad as an extra display is built into macOS and iPadOS, and it works completely wirelessly.

To use an iPad as a second screen on a Windows 10 computer, you'll need to use a third-party app like SplashTop.

Sidecar allows you to turn your iPad into a second display (wired or wireless) for your Mac computer, essentially allowing you to have access to two monitors wherever and whenever you may need them.

With Luna Display 5.0, Windows users can now utilize the iPad as a second screen for their computer, the same sort of functionality that has been available to Mac owners for years.

MSI has a new stylus with a graphite tip that can write on paper and on a screen -- without scratching it.

Whichever app you try, using your iPad or Android tablet to extend your screen might boost your productivity. Or, of course, you could use the tablet on its own as a productivity-boosting tool.

If you're looking for some extra screen real estate for your laptop, Ben at weblog build-its has a guide on taking apart an iPad LCD screen and using it as a second monitor.