A company representative called the milestone a "quiet revolution." In November 2010, based on Second Market Inc.(an exchange for privately held companies' shares), Facebook's value was billion.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.
On April 15, 2013, Facebook announced an alliance across 19 states with the National Association of Attorneys General, to provide teenagers and parents with information on tools to manage social networking profiles.
Facebook may be accessed by a large range of devices with Internet connectivity, such as desktop, laptop and tablet computers, and smartphones.
After registering to use the site, users can create a customized profile indicating their name, occupation, schools attended and so on.
In late 2007, Facebook had 100,000 business pages (pages which allowed companies to promote themselves and attract customers).
These started as group pages, but a new concept called company pages was planned.