As is well known, communication is a relationship in which messages are conveyed between two sources. If the messages flow only in one direction, no communication takes place. Feedback is a must for communication. Today, the word “communication” has mostly technological connotations. When we hear the word communication, we think of radio, television, newspapers, phones, computers, the Internet, and the like, and this technological dimension means that information can today flow between countries, nations and individuals in an unrestrained way, crossing borders freely. Communication provides the infrastructure for interaction, but is commonly used in a sense that covers interaction [...]