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Abstract: Social network sites (SNSs) are increasingly attracting the attention of academic and industry researchers intrigued by their affordances and reach. This special theme section of the Journal of Computer-Mediated Communication brings together scholarship on these emergent phenomena. In this introductory article, we describe features of SNSs and propose a comprehensive definition. We then present one perspective on the history of such sites, discussing key changes and developments. After briefly summarizing existing scholarship concerning SNSs, we discuss the articles in this special section and conclude with considerations for future research.

Excellent article about the research from several researchers about Tweets that are compelling and those that are turn-offs. This and the original research are both great reads. I thought it funny that people particularly hate foursquare check ins mentioned through Twitter, so unlink that account or lose followers! "One piece of advice: Nix the "sandwich tweets." People do not care what you are eating for lunch. (Specifically: "Sorry, but I don't care what people are eating," "too much personal info," "He moans about this ALL THE TIME. Seriously.") Twitter, as a communications platform, has evolved beyond nascent Twttr's charmingly mundane updates ("cleaning my apartment"; "hungry") and into something more crowd-conscious and curatorial. Though Twitter won't necessarily replace traditional news, it increasingly functions as a real-time newswire, disseminating and amplifying information gathered from the world and the web.

The problem is that no one wants to move to a new site unless their entire network of friends moves too. This means unless there is a mass migration, a majority of the people (though they are definitely testing it) won't stay with the service in the long term.

A review of this is definitely coming!!!

Nice site to find the meanings of twitter hashhtags

Top ways to Tweet!

"Because social-networking tools are forums for personalized, socially focused conversations, the communities that spring from these tools are person/people-centered. As Porter explained, this person/people-centeredness results in the value of participation being opaque for anyone who is not participating. To address this problem, we made sure that students who chose not to participate (because the value of participation is opaque for them) had access to our tweets by incorporating an RSS feed-like Twitter widget in our LMS. (See Figure 5.) Many widgets like these can be found online, although we should note that this particular widget has limitations. As seen in the example in Figure 5, the widget only displays Joni's posts, not the back-and-forth exchanges between her and members of her network. Students might incorrectly assume that the interaction is one-sided and less than dynamic. Besides keeping students apprised of the resources we shared via Twitter, however, this widget allowed them to vicariously discover Twitter's value. Some students later chose to join us in Twitter because they had a better understanding of what they were getting into because its value was less opaque. Ultimately, we found that Twitter helped us achieve our student-engagement objective, but we also quickly discovered that students' Twitter participation led to other notable instructional outcomes."

How to find the meaning of a hash tag like #fb

This service makes Twitter hashtags so much more USEFUL