How Facebook Works

North American users have been barred from playing the popular online game Scrabulous, an adaptation of Scrabble, on Facebook. Why are people so obsessed with Facebook, and what other applications does it offer?

In 2004, Mark Zuckerberg, Dustin Moskovitz and Chris Hughes, three Harvard University students, launched a Web site designed to put students in touch with one another, share their… » Full Story on HowStuffWorks