It is considered the world's largest professional network and is a US social network, we are talking about LinkedIn. The platform is one of the biggest competitors of the German business network Xingand is mainly used to maintain business contacts. LinkedIn specialises in the areas of career and profession and offers users a platform to discover jobs, contact co-workers, get inspired by current topics in the world of work and establish international relationships in the business world. Many companies use the platform to acquire employees and obtain information on a wide range of applicants. Furthermore, LinkedIn is often used to establish and maintain business relationships and to publish company information.