Facebook was founded by Mark Zuckerberg in 2004 from his Harvard dorm room. The site was originally only open to college students. The company incorporated in mid-2004 and Sean Parker became the company’s first president.
In 2005, the site began to allow high school students to register. In 2006, the site was opened up to everyone 13 and older with a valid email address.
In 2007, Microsoft purchased a 1.6% stake in Facebook.
In 2008, Facebook opened their international headquarters in Dublin, Ireland.
In 2009, the company was cash flow positive for the first time.
For the week ending March 31, 2010, more people visited Facebook than Google for the first time.
On May 17, 2012, the company went public with stock symbol FB.
Facebook currently has over 900 million users worldwide. The Facebook corporate office is located in Menlo Park, California.