Overview of Facebook

This article by Stephen Downes, provides a good history of the development of Facebook and gives some insights into why it has been such a success. People who know me will know I am a regular user of Facebook (came late to it but then I am old) so it was disconcerting to hear it is a middle class, white past time. Anyway if your interested its available at

http://innovateonline.info/index.php?view=article&id=517 (you may need to register).