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"When you create a new article, blog post, or a new page on your web site (a new URL), the search engine will crawl that URL. They might even see some links form other web sites to that new URL. But if the search engines see real people mentioning the URL and interacting with it, they consider that the URL is validated, socially. The URL is "accepted". And it's that human interaction that the search engines are looking for. If the search engines can figure out some form of social validation of a URL, then most likely it is going to be a page that they will want to show in their search results. Social validation is that human SEO factor that the search engines have been looking to include in their algorithm for a very long time."

grey matter density of the amygdala, which was previously shown to be linked with real-world social network size, was also correlated with online social network size

"Confirming what a few have reported this evening: in an action unprecedented in Internet history, the Egyptian government appears to have ordered service providers to shut down all international connections to the Internet. Critical European-Asian fiber-optic routes through Egypt appear to be unaffected for now. But every Egyptian provider, every business, bank, Internet cafe, website, school, embassy, and government office that relied on the big four Egyptian ISPs for their Internet connectivity is now cut off from the rest of the world. Link Egypt, Vodafone/Raya, Telecom Egypt, Etisalat Misr, and all their customers and partners are, for the moment, off the air."

Copycense points us to the bizarre news that the Massachussetts state legislature has decided to ban Twitter from office computers. While Facebook is still allowed, and officials can still tweet via their mobile phones, it's banned on computers. The Legislative Information Services dept is claiming that it's because Twitter is "vulnerable to viruses," but that's fairly bizarre reasoning. Twitter itself is not prone to viruses. Some users may post links to viruses, but that's true on Facebook as well. Besides blocking all of Twitter seems like a sledgehammer approach.

Feedback from friends posted publicly on people's profiles also tend to be overwhelmingly positive, which can further boost self-esteem, said Hancock, who co-authored a paper published Feb. 24 in the journal Cyberpsychology, Behavior and Social Networking."Unlike a mirror, which reminds us of who we really are and may have a negative effect on self-esteem if that image does not match with our ideal, Facebook can show a positive version of ourselves," Hancock said. "We're not saying that it's a deceptive version of self, but it's a positive one."It may be one of the reasons why Facebook has 500 million users, who spend more than 700 billion minutes per month communicating with their friends via photos, links and status updates."For many people, there's an automatic assumption that the Internet is bad. This is one of the first studies to show that there's a psychological benefit of Facebook," Hancock said.

Though this study is informative and interesting, there are some serious limitations that should be taken into account if we are to generalize its results to all situations of collective action (like organizations). We may do a longer writeup some time in the future, but here are a few questions that it raises: Oh, and here is a link to the original paper: http://ow.ly/3VaS4 -----Is this a problem of the technology, or of fluency with the technology?---- "This is the danger with lean media, and is especially frustrating because it implies that if a willingness to cooperate can be effectively conveyed to other group members-perhaps an easier problem to fix than curing opportunistic intent-the problems of non-cooperation..they just did not know if they could rely on others to reciprocate." (p. 119) These conclusions suggest that fluency with a medium and the norms of communication through that medium may play a significant role in trust. In other words, if i am not good at communicating my intent to cooperate within the limitations of any medium (including face-to-face speech), i will have a hard time building trust. ----Are all digital media still as "lean" as email was in 2005?--- This study bases its concept of "media richness" on 1986 work by Daft and Lengel which suggested a continuum of media richness that contains face-to-face on the "rich" end and things like reports on the "lean" end. The assumption that social media, MMORPG's, digital collaboration platforms, etc are also at the lower end with email is very, very questionable.  ----Can we generalize the behavior of business students to all situations of collective action?---- The participants were all upper-level business students from the early 2000's, who are socialized and train to deal with colle

----Norms of anonymity may have changed since 2005---- There seems to have been an increase in people using digital technologies (especially social media) as a way to build their identity, rather than anonymize it. In fact, services have sprung up to provide people with personal landing pages (http://lifehacker.com/#!5534456/five-best-personal-landing-pages). If this is true, then there is likely a corresponding pressure to build and maintain trust in a world of digital trails and easy search.

The researchers found that fulfillment of a diversity of needs, as defined by Maslow, do appear to be universal and important to individual happiness. But the order in which "higher" and "lower" needs are met has little bearing on how much they contribute to life satisfaction and enjoyment, Diener said. They also found that the fulfillment of more basic needs - for money, food or shelter, for example - was more closely linked to a positive life evaluation, the way an individual ranked his or her life on a scale from worst to best. The satisfaction of higher needs - for social support, respect, autonomy or mastery - was "more strongly related to enjoying life - having more positive feelings and less negative feelings," Diener said. An important finding, Diener said, is that the research indicated that people have higher life evaluations when others in society also have their needs fulfilled.

Data from social networks are making social science more scientific (via @TheEconomist)

The more honesty and humility an employee may have, the higher their job performance, as rated by the employees' supervisor. That's the new finding from a Baylor University study that found the honesty-humility personality trait was a unique predictor of job performance.

As social media manager for the University of Wisconsin-Madison (@UWMadison), I frequently try out new platforms to see if our students are using them and if they might become useful tools for my campus. For the past 18 months, I've channeled my inner mayor on Foursquare, a location-based social network.

Bloomberg's new social media policy encourages reporters to use Twitter - but with stipulations. It might seem like an obvious move for a news organization these days, but some traditional outlets, including Bloomberg, have managed to hold off until now. Dan Fletcher, the new social media director for Bloomberg, told employees about the new policy in an internal memo, which we received from an anonymous source close to the matter. "While the policy is meant to extend broadly across all social networks, we're encouraging reporters and editors to get started with Twitter," he said. "Twitter is easy to use and has become a valuable news source for millions of users. It's the best way to help readers discover the work you're doing and monitoring conversations within your beat."