According to an estiamte, use of ipads and tablets, in general, is becoming more and more popular because they are very portable, and they can access internet through two different ways: wireless and the cellular service. You can navigate any app by using your fingers e.g. zoom, move, push to click functions etc. They occupy less space and there are tons of apps that they can work with. This info. might be old for many people as they might already know it.