Need some help with some questions from "Integrated Advertising, Promotion, and Marketing Communications" the 8th edition.

1) What are the three major forms of social media networks? Describe each

2) How has video posting changed the nature of social media networking?

3) What are the major objectives of social media marketing programs?

4) What three characteristics should consumer advocates demonstrate to be effective spokespersons in social media programs?

5) What three types of interactive blogs support social media marketing programs?

6) Discuss the reasons why consumers follow brands on social media.