Xiomara Blanco is an associate editor for CNET Reviews. She's a Bay Area native with a knack for tech that makes life easier and more enjoyable. So, don't expect her to review printers anytime soon.

Your laptop screen is made up of thousands of tiny dots of color, called pixels. Each pixel is comprised of three subpixels to create the image on your screen. These subpixels -- red, blue and green - ...