Facebook is a popular social media platform with over 955 million users who spend on average 7 minutes and 46 seconds per day on the site. The document provides tips for effectively marketing a business on Facebook, including creating an engaging page, posting photos and videos, being relevant and useful to users, running contests and promotions, posting at optimal times, integrating with other platforms, and measuring performance using Facebook Insights. The key is to be engaging, incentivize users, advertise appropriately, and commit ongoing time to be successful on Facebook.