Duet Display lets you use any Android device as a second screen for your Mac, whether wired or wireless, giving you extra space for multitasking.

A second display is a great productivity hack, but it can be difficult if you're connecting an Android device to a Mac computer. We've got the steps here.

Ever noticed the USB Debugging option on your phone? It's an incredibly powerful feature, but it also leaves your phone vulnerable. Here's how to turn it off.