One of the greatest revolutions in the twentieth century was not political in nature. It however aided in many different political revolutions. This revolution was the communications revolution. The twentieth century has experienced one of the greatest changes in mean of communication including technologies such as radio, television, motion pictures, advanced telecommunications and the Internet. These technologies have been used to fulfill the purposes of many. Some who wished to use this technology to influence other people. A term commonly used to describe the use of media to convince or persuade oth