A power outage can be bad for your PC, but a power surge can severely damage your hardware. In all but the worst cases, however, you should be able to revive the PC, or at least retrieve any files stored on it.
With Oculus Rift on preorder and HTC Vive coming soon, the big question is whether your PC will be up to the VR task. The Rift compatibility tool will tell you—and you don't need to preorder anything to use it.
The way Gmail's organization works, a label can be a label, but it can also be a folder. Here's how to work with the two features.
Too many apps refreshing themselves in the background can put a dent in your iPhone or iPad battery life. Keep an eye on which apps are doing the refreshing, and when.