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Growth of Facebook.com

The black points plotted below represent the number of active Facebook users u, in millions, t months after December 2004. For example, in December 2005, there were about 5.5 million active users, so the point (12, 5.5) is shown. The data ends in July 2010. The blue graph shows an exponential model for Facebook's growth. The green graph shows a logistic model.