Technology allows communication to happen in a great variety of places and extreme distances, making communication easy and simple. As far as people are concerned, they are constantly on the go. They want to be reachable no matter where they are. Cellular telephones help make this possible. New capabilities, enabled by advances in technology, make cellular phones more and more sophisticated, but also simple, easy to use, and thus popular. Today mobile telephones are as common as stereos or cameras. Kids use them to catch up on the latest gossip. …
