This document provides an introduction to the social networking site Facebook. It explains that Facebook allows users to stay connected with friends and family, share interests through joining groups, and build a profile. Users can also create pages for businesses or organizations or join groups. Pages are meant for companies, groups allow for more discussion, and profiles are for individuals. The document then gives instructions on how to sign up for a Facebook account and describes various features like posting statuses, uploading photos, finding friends, using applications and games, creating events, and customizing privacy settings. It also explains how to make a fan page for a business or organization.