Facebook

Facebook is the largest social networking site in the world.  The beginnings to the corporation were very meager and started off in Harvard as a way to keep in touch just among only Harvard students.  This branched out into a billion dollar corporation that is made up of 800 million users.  Facebook is a way to keep in touch with friends that you may have only talked to once.  You can easily get to know them better over the website facebook.com.  Now that Facebook has come to mobile phones, you can use it on the go.  The best part about this app is that its for free!