LinkedIn is a professional social media platform with over 300 million users globally. It allows users to connect with colleagues and professionals within their industries, build professional profiles, search for jobs, and research companies and careers. The document provides an introduction to using LinkedIn, including building an informative profile with a professional photo, headline, summary, experience, skills, and recommendations to establish an identity; connecting with contacts to build a network; and utilizing the platform's research and job tools to gain knowledge about careers and opportunities. Recruiters increasingly use LinkedIn to find qualified candidates, searching by factors like university, field of study, skills, and groups. The presentation encourages attendees to make use of LinkedIn's resources to advance their careers.