The service sector is centered on the exchange of goods and services between businesses and their customers, which may include phone support, advice, information on the delivery procedure or delivery services, etc. It depends on the use of technology for online analytics on the range of services offered, the number of customers, and their demand for different goods. Further, these technologies find applications in a wide range of industries, including accounting, banking, travel and tourism, recreation, logistics and supply chain management, social work, communication, media & entertainment, and education, among many others.