LinkedIn is an online network of over 25 million professionals that allows users to create a profile summarizing their career accomplishments, connect with colleagues and professionals in their industry, and use their network to find clients, jobs, subject experts, and business opportunities. The document provides instructions on how to register and build a profile on LinkedIn, add connections, join groups, and answer questions, in order to take advantage of the network to find potential clients, service providers, partners, and jobs as well as get introduced to other professionals.