WhatsApp is the world's most popular chat app, but it can be daunting if you're new. Here's our guide on how to use WhatsApp!

But you can use your tablet to improve your productivity, too. Since a tablet is essentially a portable touchscreen, why not repurpose it during work hours as a secondary display?

Tablets offer long battery life and portability, so why not ditch your laptop in favor of a tablet? Here, then, are some tips for using an Android tablet in the office -- and beyond.