An example of this is demonstrating how a device works. This type of animation is also useful in showing science principles. An example of a Java-based animation used to demonstrate a science principle can be seen in Demonstration of Space Satellite in Orbit . You often see animation in slideshow presentations, such as those done with Microsoft PowerPoint, where titles or text moves across the screen into few. This type of animation can be effective for the first few slides but soon becomes boring.
TV commercials use animated text sparingly, and it can also be used on web sites.
Some effectively stream text to get across a message. Animations or videos that take too long to download or that require another plug-in often result in abandonment of the page. If course, entertainment in the form of a game or a comic strip often uses motion fulfill its goal or to keep interest. There are many online game and entertainment sites on the Web. Entertainment when it isn t asked for is a turn-off.