In short, the black bars appear because the video's aspect ratio doesn't match your TV's. While companies like LG have released 21:9 TVs in the past, they have never really caught on.

Google Photos has a new look for its video player, including easier navigation, that is currently rolling out to users.

Apple removed the volume bar from the iPhone's lock screen a few years ago but you can bring it back now in a few easy steps.

YouTube used to fill any blank space around videos in full-screen playback with black. The app recently changed that behavior to now render in a shade of gray, instead.

Light bars reduce glare on your screen, which isn’t the case with normal lighting. Also, the swiveling heads of the light strips help you direct the light in the direction you want.

The Google Search Bar is a handy tool to have on your phone's home screen. Here's how to add it, or how to remove it if you want to save space.

Here, we’ll show you how it’s done. Alex Blake / Digital Trends How to set up a video screen saver Step 1: Open the System Settings app and click Screen Saver in the left-hand sidebar.

Naturally, Samsung’s Now Bar is getting in on that action. Beta examples of the enhanced Now Bar in action, from Mishaal Rahman of Android Authority, DevOfIpos, and @Topraks9plus (x2), respectively.