Websites like LinkedIn have quickly become the most popular, influential and arguably most useful to business users. LinkedIn is a social network, so if you have a profile it is a good idea to interact with other users. However, it is slightly different than other social media sites in that it's mainly aimed at businesses looking to to connect with other businesses and professionals to connect with their colleagues.
LinkedIn is one of many social media networks that business owners, managers and employees can use to connect with their colleagues, customers and fans. What makes it different from the other networks is the fact that LinkedIn is largely professional oriented.