LinkedIn is a mobile app and website social media platform that focuses on business and jobs. Eric Ly and Reid Hoffman introduced it on May 5, 2003. LinkedIn has been a fully owned subsidiary of Microsoft since December 2016. Employers may offer jobs on the platform, which is mostly utilized for professional networking and career development. Jobseekers can publish their resumes. Since 2015, the majority of the business's income has come from selling recruiters and salespeople access to member information. More than 1 billion people from more than 200 countries and territories are registered members of LinkedIn. Members of LinkedIn's online social network, which includes both employers and employees, can establish profiles and connect with one another to potentially represent professional relationships in the real world.