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When TV shows and movies start including a piece of technology into their plots (without being paid for it), you know it's become a part of almost everybody's daily life. But when celebs willingly start making their private lives public, watch out.
Facebook has garnered plenty of headlines in recent days. First there was the massive popularity of the "25 Things About Me" craze, then there was the terms of service fracas. This week we had Anthony Geisler, a martial arts expert, using the social networking service to challenge Chris Brown to a fight.
Here's a look at how Facebook has taken over pop-culture, be it references on must-see television shows like "Gossip Girl," or very real celeb news leaking out via a status update.