Social media are basically varying the system users communicate, collaborate, consume, and generate. These social media are the symbol of one of the most transformative collision of information technology on business, both internal and external firm boundaries. Social media have modernized the ways of businesses relate to the marketplace, creating a new globe of potential and confront for all aspects of the enterprise, from advertising, promoting and operations to investment and human resource management. In particular, social media have been essential to recent move ahead in relational...