Your computer's LCD screen is comprised of thousands of tiny pixels, which cycle through three basic colors -- red, green and blue -- to create images. Sometimes a pixel can get stuck in the "on ...

No, the green dot does not mean someone is specifically watching you. It simply indicates their active status on Snapchat. Check the viewer list under each Story or Snap to see who viewed your ...

You may not think you have an evenly-lit solid color background in your toolkit, but your computer's display can actually be a quick-and-dirty tool for "green screening" your photos. Here's how it ...