LinkedIn
LinkedIn is a social networking website for people in professional jobs. The company started in December 2002, and the website opened May 5, 2003. Users can make connections with other people they have worked with, post their work experience and skills, look for jobs, and look for workers. The site is available in many languages, including most European languages, Japanese, Korean, Indonesian, and Malay. LinkedIn has more than 200 million members around the world.