LinkedIn is a business-oriented social networking service that is mainly used for professional networking. It has around 400 million acquired users in more than 200 countries and territories.
The basic functionality of LinkedIn allows users (workers and employers) to create profiles and “connections” to each other in an online social network. Lasting professional relationships can so be created. Users can invite anyone (whether a site user or not) to become a connection.
According to iMedia Connection, LinkedIn Groups can be used as a marketing tool for connecting and communicating throughout the marketing industry. iMedia Connection suggests a number of ways that marketers can use LinkedIn Groups to their advantage.