Learning Goal: I’m working on a economics discussion question and need guidance

Learning Goal: I’m working on a economics discussion question and need guidance to help me learn.What are the economic motives which explain the formation of networks in television broadcasting and/ or magazine publishing? Compare and contrast the economic features of conventional media networks (e.g. in broadcasting) with those of communication and/ or online social networks and assess why, in both cases, there are strong motives for the network to expand.