Facebook is a social media network launched in 2004. It allows users to create profiles, connect with friends, share photos and status updates. As of 2012, Facebook had over 900 million users. The document discusses both positives and negatives of Facebook use. Positives include free communication and connection between users globally. Negatives include privacy issues, wasted time, and cyberbullying. Teenagers interviewed had mixed views - some enjoyed connecting with friends while others saw it as a waste of time or source of gossip.