With the advent of new technologies of communication channel has also changed. In the early history, pigeons have been used as a means of communication. Later, written messages sent via email. Over time, the telephone came into existence and today is the era of wireless communication which results in mobile phones. The phones are the latest invention and the common language of today.
Cell phones have long-range, portable and wireless electronic communications. A few years ago, when cell phones were not so common, the device is expensive and the cost of communications, a user quite well. But in recent years, thanks to the use of mobile phones...
