<P> The founders had initially limited the website 's membership to Harvard students ; however , later they expanded it to higher education institutions in the Boston area , the Ivy League schools , and Stanford University . Facebook gradually added support for students at various other universities , and eventually to high school students as well . 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 the minimum age requirement , depending on applicable local laws . The Facebook name comes from the face book directories often given to United States university students . The company held its initial public offering ( IPO ) in February 2012 , and began selling stock to the public three months later , reaching an original peak market capitalization of $104 billion , a new record . Facebook makes most of its revenue from advertisements which appear onscreen . </P>
<P> The founders had initially limited the website 's membership to Harvard students ; however , later they expanded it to higher education institutions in the Boston area , the Ivy League schools , and Stanford University . Facebook gradually added support for students at various other universities , and eventually to high school students as well . 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 the minimum age requirement , depending on applicable local laws . The Facebook name comes from the face book directories often given to United States university students . The company held its initial public offering ( IPO ) in February 2012 , and began selling stock to the public three months later , reaching an original peak market capitalization of $104 billion , a new record . Facebook makes most of its revenue from advertisements which appear onscreen . </P>
when did facebook start allowing everyone to join
when did facebook start allowing everyone to join
2006
2006