Facebook is an Internet-based social network connecting people worldwide and everybody having Internet connection may have access to it. Facebook nowadays contributes much to maintain a social and friendly relationship between people living far and near. Any person wishing to be a facebook member needs first to have an Internet connection and then to sign up with personal details and secret passwords to ensure privacy and security. Any person can search their friends as well as near and dear ones online and can send an invitation. If the invitation is once accepted, they become friends in terms of Facebook and can share everything of each other stored in their facebook. Users can “Follow” content posted by other users without needing to friend them. Accounts can be “verified”, confirming a user’s identity. Facebook allows us to make numerous albums and upload photos and documents and make friendship with a lot of people. Any Facebook member can write comments on their status, on other member’s status and photos, etc. Facebook provides online chatting as well. With the help of Facebook, we can easily find out our long lost friends as well as near and dear ones who are already Faber members. It can be used to raise awareness and share news among the members. Facebook offers other products and services. It acquired Instagram, WhatsApp, Oculus, and GrokStyle and independently developed Facebook Messenger, Facebook Watch, and Facebook Portal. Facebook’s major acquisitions include Instagram, WhatsApp, and Oculus Rift. However, Facebook has some disadvantages as well. Crooked upload obscene and objectionable photos and comments. Pimps and touts also use facebook so as to hunt clients. Facebook is alleged to have psychological effects, including feelings of jealousy and stress, a lack of attention and social media addiction. Besides these negative aspects, Facebook is a great boon information technology.