Facebook, the Web site, originally started as a utility for students at Harvard University. In fact, the term “Facebook” has long referred to an actual printed book that included pictures of students and information about them. Printed “facebooks” were a convenient means of developing a sense of community for those included in the book. Facebook as a Web site was originally intended to do more or less the same thing. From being limited to just Harvard students, Facebook expanded to include students at other Ivy League schools and ultimately opened its digital doors to everybody. In fact, in the space of about five years the number of people using Facebook went from hundreds to thousands to millions.
We can also now find many examples of businesses that maintain a presence on social networking sites like Facebook.
Consider these two examplesone a “commercial” Facebook site and the other a “personal” Facebook site: