This is because the Visual persistence in computer storage, online animation image collection that is widely used in the Internet include a store in GIF format, SVG and Flash MNG.
This is because The picture, persistent storage in the computer-animated images that are widely used in the Internet. Are stored as GIF MNG SVG and Flash.
However, due to persistence of vision in the computer storage image animation widely used on the Internet, including the pattern. GIF MNG SVG and flash.