LinkedIn is a social network mainly used for professional networking and job search. It was launched in 2003 and has since become one of the largest and most popular professional networking platforms in the world.

LinkedIn allows users to create a personal profile and connect with other users, especially other professionals in their industry. Users can use LinkedIn to find job opportunities, connect with potential clients or business partners, and keep up to date with industry news and events.

In addition to its core features, LinkedIn also offers a variety of tools and resources for job seekers, such as the ability to search for jobs, apply for jobs and receive job recommendations based on their profile and experience. It also has a number of features for businesses, including the ability to create a company page and post jobs. LinkedIn is available on the web and as a mobile app on iOS and Android devices.