Facebook 

Facebook is a social networking service that allows users to connect with friends, family, and other people who share their interests. It was founded in 2004 by Mark Zuckerberg and other students at Harvard University.

Facebook
Facebook allows users to create a personal profile, add other users as friends, and share content, such as photos, videos, and links. Users can also join groups and pages related to their interests and participate in discussions.

Facebook has more than 2.7 billion monthly active users and is available in more than 100 languages. It is headquartered in Menlo Park, California, and is a publicly-traded company.

In addition to its main website, Facebook also offers a range of mobile apps, such as Facebook Messenger and Instagram, that allow users to access the platform on the go.