What is Facebook? Facebook is a social networking service that was launched in February 2004, founded by Mark Zuckerberg along with his college roommates and fellow students. The website's membership was initially limited by the founders, to Harvard students and Ivy League schools, but was quickly expanded over the years all over the world. Currently Facebook is the world's largest social network, and has over 955 million active users. Facebook's mission is to give people the power to share and make the world more open and connected. Millions of people use Facebook every day to keep up with friends, upload an unlimited number of photos, share links and videos, and learn more about the people they meet.Do you want to check your knowledge about the history of its developing? Download this social networking trivia game and start answering interesting questions concerning the developing of Facebook Social Network. Good Luck!