The social network Facebook is sweeping the nation.
In the new virtual age, social networking sites have taken the world by storm. With 175 million users and counting, Facebook has risen above the rest. In fact, if there were a Facebook nation, it would be the world's 6th largest country!

People around the world are reconnecting with long-lost friends and relatives, uniting on common ground from politics to Chia pets. Every day, half a million people join the social network. 

Baffled by Facebook? See how it all got started and learn the lingo! Watch