Social networking is definitely very popular nowadays. Both young and old have their own personal accounts namely in: Facebook, Twitter, Friendster, LinkedIn and so on and so forth. They used this social networking sites to hook up with their friends, sharing their inner thoughts, commenting on other peoples profile, uploading pictures, promoting business, and even playing built in games on the site to pass time. Now if you don't have a clue on how this social networking sites work, the video below will surely help you understand more about how they usually work especially when your trying to promote a business.