Facebook gradually added support for students at various other universities, and eventually to high school students.Since 2006, anyone who claims to be at least 13 years old has been allowed to become a registered user of Facebook, though variations exist in this requirement, depending on local laws.
Zuckerberg wrote a program called "Facemash" in 2003 while attending Harvard University as a sophomore (second year student).
Facebook makes most of its revenue from advertisements which appear onscreen.
Facebook can be accessed from a large range of devices with Internet connectivity, such as desktop computers, laptops and tablet computers, and smartphones.
The founders initially limited the website's membership to Harvard students.
Later they expanded it to higher education institutions in the Boston area, the Ivy League schools, and Stanford University.
If you want to meet new people, Face Flow makes it really easy to meet people from all around the world.