Psychology & Psychiatry

After 150, Facebook friends are meaningless

(PhysOrg.com) -- According to Oxford University's professor of evolutionary anthropology, Robin Dunbar, after you have amassed 150 friends on Facebook, any more are meaningless because the human brain can only remember 150 ...

Diseases, Conditions, Syndromes

Facebook saves the life of a child

Deborah Copaken Kogan’s Mother’s Day wasn’t exactly what she was hoping for when she woke up to discover her 4-year-old son Leo was sick with a rash. She posted a status message on the social networking site, ...

Psychology & Psychiatry

People love talking about themselves, brain scans show

(HealthDay) -- Got something to report about yourself? An opinion, perhaps, or a status update? Nobody may care except you, but new brain research suggests you can make yourself feel good simply by sharing.

Diseases, Conditions, Syndromes

Big data becomes tool in Ebola battle

Nine days before Ebola was declared an epidemic, a group of researchers and computer scientists in Boston spotted the hemorrhagic fever beginning to spread in Guinea.

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Facebook

Facebook is a social networking website that is operated and privately owned by Facebook, Inc. Users can join networks organized by city, workplace, school, and region. People can also add friends and send them messages, and update their personal profiles to notify friends about themselves. The website's name stems from the colloquial name of a book given to incoming students at Zuckerberg's high school alma mater, Phillips Exeter Academy. The book shows the faces and names of the school's students and faculty.

Mark Zuckerberg founded Facebook with fellow computer science major students and his roommates Dustin Moskovitz and Chris Hughes while he was a student at Harvard University. Website membership was initially limited to Harvard students, but was expanded to other colleges in the Boston area, the Ivy League, and Stanford University. It later expanded further to include any university student, then high school students, and, finally, to anyone aged 13 and over. The website currently has more than 250 million active users worldwide.

Facebook has met with some controversy over the past few years. It has been blocked intermittently in several countries including Syria, China and Iran, although Iran later unblocked Facebook in 2009. It has also been banned at many places of work to discourage employees from wasting time using the service. Privacy has also been an issue, and it has been compromised several times. Facebook is also facing several lawsuits from a number of Zuckerberg's former classmates, who claim that Facebook had stolen their source code and other intellectual property.

A February 2009 Compete.com study has ranked Facebook as the most used social network by worldwide monthly active users, followed by MySpace.

This text uses material from Wikipedia, licensed under CC BY-SA