- Facebook is a leading social network that allows users to create profiles, connect with friends and identify people in photos. It enables users to maintain relationships with overseas connections or people from other parts of their lives. - To use Facebook, one must sign up by filling out a form and then verifying their email address. The sign up process is relatively easy to follow. - The homepage displays options to view friend requests, messages, and updates from connections. Users can write on friends' walls, post photos and videos to their own wall, and share statuses and content on their newsfeed for others to see.