How should organizations go about setting social media

Question

Need Original Short Essay Answers:

1. What are social media and why is it important to marketers? Explain the implications of the dynamic nature of social media to marketers.
2. Explain the term Web 2.0.
3. Explain the importance of setting clear marketing objectives with regard to social media plans. What are the characteristics of good strategic objectives?
4. How should organizations go about setting social media marketing budgets? How would you respond to the comment, "social media marketing is free."? Be sure to include a discussion of infrastructure needs in your answer.
5. Explain social media segmentation criteria.