The How LinkedIn Works infographic by infographiclabs.com is a comprehensive guide to the leading professional social network service. LinkedIn is a worldwide professional site with over 135 million members in over 100 countries (as of November 3, 2011), so if you don't yet have an account, this infographic is a great introduction.
LinkedIn started in the US, where it now has 57 million members; globally, professionals across all industries are joining the network at a rate faster than two members a second. The How LinkedIn Works infographic provides a breakdown from the perspective of individuals and companies and offers specific examples of individuals' success when it comes to job hunting.
The guide also yields intriguing facts that will have you motivated to make an account right then and there, like that 75 of the Fortune 100 companies use LinkedIn as a corporate hiring solution.