Module 3

An example of a successful marketing campign for Kohl's: 

 http://www.jeffbullas.com/2011/03/01/the-10-best-facebook-campaigns/

Module 2

Facebook.com is the only social networking site that I use currently. Though I do use Instagram which is a kind of "social app." I use it almost everyday to check up on friends, family, and organizations I am a part of.
I would have to say Facebook.com is my favorite since I have no expoerience with anything else.