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=Facebook= Facebook was created by Mark Zuckerburg in 2004. He was only 23 years old,studying physchology at Harvard University. Within 24 hours after he launched "The Facebook" 1,200 people had already signed up for it,and after one month half of the undergraduated population had already signed up. He was also the creator of a few other social networking sites. He created Coursematch, which let you see if other people were taking the same courses. And facesmash, where you could rate people on how attractive they look.

Facebook was eventually expanded to other boston colleges, the Ivy league and then to most US Universities. It was changed to "Facebook" in 2005 once it was purchased for 200,000 dollars. In September of 2005 US high schools could also sign up, and then soon after it was world wide spread!

"This month the company announced that the number of registered users had reached 30 million, making it the largest social-networking site with an education focus."

Phillips, Sarah. "A Brief History of Facebook | Technology | The Guardian." //Latest News, Comment and Reviews from the Guardian | Guardian.co.uk//. July-Aug. 2007. Web. 05 Nov. 2010. .