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Half the adults and three-quarters of the teenagers in America use social networking sites (SNS) and Facebook by far is the most popular of these sites. The Pew Research Center’s Internet & American Life Project fielded a nationally representative phone survey about the social and civic lives of SNS users and reported the findings in June 2011 in a report entitled “Social networking sites and our lives.”1 During the phone survey, 269 of 877 original respondents who were Facebook users gave us permission to access data on their use of Facebook so that it could be matched with their survey responses. We partnered with Facebook to match individual responses from the survey with profile information and computer logs of how those same people used Facebook services over a one-month period in November 2010 that overlapped when the survey was in the field. The results of that special analysis of 269 Facebook users identified in and recruited from a random, representative telephone survey are reported here.

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The average Facebook user in United States has 245 friends, according to a study published in February by the Internet and American Life Project of the Pew Research Center. That figure, however, well exceeds the “Dunbar number,” the 150 meaningful relationships that Robin Dunbar, an anthropologist, has suggested is the effective neurological limit the human brain can handle.

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Facebook user “joe1915” writes wall posts that would be familiar to any college student these days: He stresses about tests, roots for his university’s football team, and shows off photos from campus dances. But Joe McDonald isn’t an average smartphone-toting student. He died in 1971 — 33 years before Facebook arrived on the Web.

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Like Button is powered by the Facebook Like Button and Social Plugins. It is a great way to see the popular posts, globally and socially, on the internet right now.

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TouchGraph Facebook Browser lets you see how your friends are connected, and who has the most photos together.

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Many general-purpose communication platforms and social media sites restrict access to only those 13+ in response to a law meant to empower parents: the Children’s Online Privacy Protection Act (COPPA). This forces parents to make a difficult choice: help uphold the minimum age requirements and limit their children’s access to services that let kids connect with family and friends OR help their children lie about their age to circumvent the age-based restrictions and eschew the protections that COPPA is meant to provide. In order to understand how parents were approaching this dilemma, my collaborators — Eszter Hargittai (Northwestern University), Jason Schultz (University of California, Berkeley), John Palfrey (Harvard University) — and I decided to survey parents. In many ways, we were responding to a flurry of studies (e.g. Pew’s) that revealed that millions of U.S. children have violated Facebook’s Terms of Service and joined the site underage. These findings prompted outrage back in May as politicians blamed Facebook for failing to curb underage usage. Embedded in this furor was an assumption that by not strictly guarding its doors and keeping children out, Facebook was undermining parental authority and thumbing its nose at the law. Facebook responded by defending its practices — and highlighting how it regularly ejects children from its site. More controversially, Facebook’s founder Mark Zuckerberg openly questioned the value of COPPA in the first place.

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Researchers at the University College London have found a connection between the number of Facebook friends a person has and the amount of “grey matter” in the amygdala, the sulcus, the left middle temporal gyrus, the right entorhinal cortex, and the superior temporal sulcus. “Grey matter” in the brain is the layer where mental processing takes place. While the study uses Facebook as an example, the results point to the impacts the Internet and social networking may be having on our brains.

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"Over the weekend, Dave Winer wrote an article at Scripting.com explaining how Facebook keeps track of where you are on the web after logging in, without your consent. Nik Cubrilovic dug a little deeper, and discovered that Facebook can still track where you are, even if you log out. Facebook, for its part, has denied the claims. Regardless of who you believe, here's how to protect yourself, and keep your browsing habits to yourself. "

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"Facebook took a huge step toward ubiquitous sharing with its new timeline and sharing features. And it rightfully creeps some people out. Not everybody wants to share their life story on their profile, see their friends’ activities in real time or have their preferences in music, movies and reading shared as they’re consuming media."

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Questions have been raised about the social impact of widespread use of social networking sites like Facebook, LinkedIn, MySpace, and Twitter. Do these technologies isolate people and truncate their relationships? Or are there benefits associated with being connected to others in this way? The Pew Research Center’s Internet & American Life Project decided to examine social networking sites in a survey that explored people’s overall social networks and how use of these technologies is related to trust, tolerance, social support, and community and political engagement. The findings presented here paint a rich and complex picture of the role that digital technology plays in people’s social worlds. Wherever possible, we seek to disentangle whether people’s varying social behaviors and attitudes are related to the different ways they use social networking sites, or to other relevant demographic characteristics, such as age, gender and social class.

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COPPA does not stop Facebook from allowing users under age 13 to join the site. COPPA does not stop any website from allowing users under age 13 to join. What COPPA does require is stricter privacy measures from websites aimed at those under 13 and at websites that know they are collecting personal information from those under 13.

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Facebook may not have bought Skype, but the social networking company may still reap the benefits. Earlier this week, Microsoft announced that it had reached a deal to buy Skype to buy the voice and video communications company for $8.5 billion in cash. In a press conference Tuesday, Microsoft CEO Steve Ballmer said the software maker will connect Skype to major Microsoft services, like the Outlook email client and its Xbox and Kinect gaming systems. Industry analysts, however, surmise that Microsoft may be willing to go outside its corporate walls and connect Skype with online partner Facebook.

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"More than 19,000 people have visited a new student union that Arizona State University put up last year to build a better sense of campus community. Darrell Shandrow, a blind senior studying journalism, can't get through the front door. He's stuck because the new social hub is built of bits, not bricks-a private Facebook application for Arizona State students. And, like so much technology used by colleges, the software doesn't work with the programs that blind people depend on to navigate the Web. "Basically, I'm locked out," Mr. Shandrow, 37, says. So are many others. Colleges that wouldn't dare put up a new building without wheelchair access now routinely roll out digital services that, for blind people, are the Internet equivalent of impassable stairs."

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"Facebook’s privacy settings are extremely detailed, giving you the ability to fine-tune the privacy aspects of almost every little part of your Facebook account. Unfortunately, for most users, this level of micromanagement makes Facebook’s privacy settings a convoluted mess. Even worse, these settings change often; you may think you know everything there is about them, only to be greeted with a completely different layout and a bunch of new options the next time you visit the dreaded Facebook Privacy Settings page."

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"New Year’s resolutions are among us, though voluntary and often roll over from year to year. This time around, though, take one New Year’s resolution as a wild card, and lock down your Facebook profile like your own personal Fort Knox, and get it out of the way for the year ahead. The bad news is that damage could well have already been done, as some features are hidden away and are difficult to find. But, don’t panic. You will be surprised how much you can recover in the space of five or ten minutes of clicking on a few buttons."

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"The microblogging site Twitter turned down a 500 million dollar purchase offer from the social networking site Facebook in 2008, according to the Financial Times. In an interview with the British business daily published over the weekend, co-founder Biz Stone said Twitter wanted to become not just a popular site but a viable business, rather than be taken over by another company. "We?ve created something that people are finding value in," he said. "But we haven?t yet created a business out of this, and we really wanted to do that.""

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"Our circle of actual friends remains stubbornly small, limited not by technology but by human nature. What Facebook has done, though, is provide us a way to maintain those circles in a fractured, dynamic world."

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"Facebook has changed the way students, faculty members, and administrators communicate outside the classroom. Now, with the introduction of the London School of Business & Finance’s Global MBA Facebook app, Facebook is becoming the classroom. The Global MBA app—introduced in October—lets users sample typical business-school courses like corporate finance and organizational behavior through the social-networking site. The free course material includes interactive message boards, a note-taking tool, and video lectures and discussions with insiders from industry giants like Accenture Management Consulting and Deloitte. This may be a good way to market a school, notes an observer from a business-school accrediting organization, but it may not be the best way to deliver courses."

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"Sometimes, when I’m in the field, I find teens who have strategies for managing their online presence that are odd at first blush but make complete sense when you understand the context in which they operate. These teens use innovative approaches to leverage the technology to meet personal goals."

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