Evolution of Media in Roman Empire
The word communication is derived from the Latin root communicare. This was due to the Roman Empire also devising what might be described as a mail or postal system, in order to centralize control of the empire from Rome. This allowed for personal letters and for Rome to gather knowledge about events in its many widespread provinces. More advanced postal systems later appeared in the Islamic Caliphate and the Mongol Empire during the Middle Ages.
Service providers participate in an economy without the restrictions of carrying inventory or the need to concern themselves with bulky raw materials. Furthermore, their investment in expertise does require consistent service marketing.
Service such as labor is performed the buyer does not take exclusive ownership of that, unless agreed upon by buyer and seller. The benefits of such a service are held to be self-evident in the buyer's willingness to pay for it.
One of the most important characteristics of services is the participation of the customer in the service delivery process. A customer has the opportunity to get the services modified according to specific requirement.