Because every year there is a new version of the phone, there are usually a variety of modern humans was much. Want to try a new beautiful image. Better application and ease of use that makes the old one that used to use it;
Because every year it has produced new phones coming up. Diverse modern human needs are many. Want to try a new and beautiful look. Applications that are better and easier to use. It makes the old machine that had been used then discarded.
Because every year have produced new phones up more variety, modern which human needs are. Try the new machine with beautiful appearance. Application of better and convenient to use.