What are some advantages and disadvantages of the one-to-many model and the many-to-many model?

I need a 120 word message for each of the questions/themes down below. Must include references for each one. must have a question for the class at the end of each one. Read instructions carefully. Should be 5 words message of 120 words each, then a question at the end, then references. Content for the writing will be attached.
1. What are some advantages and disadvantages of the one-to-many model and the many-to-many model?
2. Who Controls the Media?
3. Media as a Health Promotion Tool
4. Effective Use of Media
5. Getting Your Message Across

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