The document discusses Facebook as a popular social media site with over 400 million worldwide users and over 100 million US users. It notes that the average Facebook user has 130 friends, adds 8 new friends per month, spends 55 minutes per day on the site, likes 2 pages per month, and is invited to 3 events per month. The document provides tips for using Facebook effectively including creating an accurate personal profile and business fan pages, uploading a logo or image, updating pages regularly, linking related pages, posting interesting content, thanking new fans, and always responding to feedback.