Email is another service. Videoconferencing is a service. Each service requires a certain amount of computer hardware and software to work. Infrastructure includes cables and wires, network electronics, and the circuits and pathways that connect buildings and localities to the larger Internet. If we think of networks as a system of roads, then network infrastructure is the road system.
Services are trucks carrying content to and from various locations.
And people drive the trucks. In the real world, roads are normally built and maintained by the government to ensure that all citizens have fair and equitable access. Trucks are privately owned and maintained. Serve as a locus for technology education and training efforts in the community. Identify training and education needs, partner with schools, colleges, and libraries to teach citizens about technology.