What are the four largest communications conglomerates in the world?
Answer to relevant QuestionsWhat are the pros and cons of using a public relations firm?What is the difference between probability (random) and non probability samples?What kinds of messages and communications channels would you use for a passive audience? For an active information-seeking audience?Public opinion is highly influenced by self-interest and events. What are these concepts?Public relations practitioners are cautioned not to think of audiences as monolithic, but very diverse. Why?
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