Facebook is a website that allows people from all around the world to connect and share things with each other. You can post messages, photos, videos, and anything else you want to share with your friends. You can also join groups that have similar interests to yours, so you can talk with other people who have the same hobbies or interests. Facebook also has apps that allow you to play games with your friends or send messages to each other. It's a great way to stay connected with people you don't get to see every day.
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