Typical Digital Photo, Unoptimized 400x319 pixel .jpg, 0% compression, 104.0 KB

Typical Digital Photo, Optimized 400x319 pixel .jpg, 10% compression, 27.5 KB

Digital photo originally saved using Adobe Photoshop software. Ten percent compression was universally applied to the photograph for on screen display, and custom zonal compression was applied to the less-important portions of the graphic that would not readily be noticed by the average viewer on-screen.