There's been a considerable number of propitious researches and developments taken place in the prior century. One of the most progressive inventions is Cell-phones. The mobile manufacturing firms are launching many new technologies in their devices. It has changed completely the way of communication. It has 160 mega bytes of space for storage with 64 mega bytes of ROM memory. One can store photographs, songs and large quantity of info and files in its memory. Its five megapixels camera delivers good photographs and video clips.