Facebook is one of the best social networks in the world that provide the users with many advantages in daily lives. The good thing about Facebook is that we can communicate or chat with friends, relatives, members, co-workers, or our sweet heart in such an instant time. Because of this quick communication, people now can share news or useful information as fast as possible to others. For example, the news about flood in Cambodia can be shared to people in USA through Facebook to let them know about the situation in Cambodia. Another good thing is that we can keep in touch with friends, best friends, relatives, family, or our special person even they are not here by our sides because we can still chat and have conversation together through Facebook no matter where they are or what they do. Moreover, playing Facebook can let us make more new friends around the globe more than we can imagine. Users in Asia can also be friends with new players in Europe through Facebook. Sometimes we can share our cultural knowledge or religious ideas together in order to understand the differences between us. Furthermore, Facebook is a library of knowledge which contains awesome ideas, inspirational theories, general knowledge and useful information that we haven't ever thought about before. These new knowledge can inspire us to look at society in a new perspective, so we can think more positively and logically. Finally, Facebook can also entertain people in their leisure time. Beside from the information and knowledge, Facebook contains thousands of games and applications that be played online with other users around the world. People can enjoy playing games while chatting with friends at the same time, so they don't have to be bored anymore. To conclude, Facebook is a worldwide social network which can possibly improve our knowledge, let us keep in touch with friends, and entertain us at the same time.