LinkedIn is the world's largest free professional network. Students and career men and women are encouraged to join, create a profile, and build their network of professional contacts. LinkedIn can be used to make introductions, ask questions, find or post job openings, and establish a professional web presence.
What is LinkedIn and how do you use it?
Users build the network of professionals they know by importing their address books or entering individual email addresses. They can also join groups of their colleagues and classmates, where they can ask relevant questions, make comments, “like” discussions, and get answers.
LinkedIn contacts are listed by their name and the company or school they belong to. Users can send direct mail to their LinkedIn contacts, or they can send “inmails” to contacts of contacts through the LinkedIn platform without disclosing their email address. People can make introductions between two of their contacts who don't yet know each other.