Facebook history

Facebook is a social network that was created in 2007 by Mark Zuckerberg and founded by Eduardo Saverin, Chris Hughes, Dustin Moskovitz and Mark Zuckerberg.
The first idea was that this social network works like an email for Harvard students, but now is available for everyone that has an email.
In 2007, Facebook started in Spain, France and Germany and in the same summer, it has more than 500 million users.
When Facebook began, it was just for students of American universities, but a lot of people want to be user, and then the expansion was easy and fast. In 2006 iTunes Store and the creators of this social network did an arrangement because iTunes want to know the kind of music that people like, and listen. Then they put a link and users can go straight to iTunes home page.
Until 2007 it was just for students around the world, but then a lot of people want one and they opened for everybody.
At the moment, the police and the government use it to know more thing of the people that life in the world.