is an extension of blogs and wikis. Social networking sites provide an unprecedented peer-to-peer communication channel where people interact in an online community, sharing personal and professional information and photos, producing and sharing all sorts of ideas and opinions. Because of the popularity of Facebook in people’s personal lives, most employees are comfortable with the idea of “following” and communicating with their colleagues online. Using social networks for a business enables people to easily connect with one another across organizational and geographical boundaries based on professional relationships, shared interests, problems, or other criteria. A Symantec salesman in Dubai created a group on the company’s social network that exchanges sales tips from employees around the world.48 People can use the social network to search for tags that will identify others with knowledge and resources that can help them solve a problem or do their jobs better. Moreover, the nature of social networking builds trust so that people are more likely to cooperate and share information.