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While social media have been found useful in providing social support and health information, they have also been home to content advocating risky health behavior. This study focused on how content defending and even celebrating anorexia as a lifestyle are circulated among social media users, and investigates the characteristics that promote wide propagation of such messages. We captured anorexia-related content on Tumblr, a popular blog for talking about eating disorders, during a one-month period. Among the 35,432 posts collected, we examined the most highly propagated posts and coded them for message characteristics. Our findings revealed that posts in which the source of a narrative ('testimony') was identified (was either from an anorexic poster or about another's anorexia) and which were positive toward the pro-anorexia perspective were more likely to be propagated on Tumblr. In addition, posts containing content that references an anorexic person and contains an affective tone were more likely to be propagated. We also found that underweight bodies and bodies with a high degree of exposure were associated with propagation of posts. The present study suggested practical implications by focusing on the characteristics of highly propagated but potentially harmful content in social media. [ABSTRACT FROM AUTHOR]

GitHub is a social collaborative coding platform on which software developers not only collaborate on codes but also share knowledge through blogs using GitHub Pages. In this article, we analyze the blogging behavior of software developers on GitHub Pages. The results show that both the commit number and the inter-event time of two consecutive blogging actions follow heavy-tailed distribution. We further observe a significant variety of activity among individual developers, and a strongly positive correlation between the activity and the power-law exponent of the inter-event time distribution. We also find a difference between the user behaviors of GitHub Pages and other online systems which is driven by the diversity of users and length of contents. In addition, our result shows an obvious difference between the majority of developers and elite developers in their burstiness property. [ABSTRACT FROM AUTHOR]

The rapid growth of weblog (blog) services has induced Internet users to share their feelings and information via blogs. Few researchers are currently investigating why people blog. In this study, we explored the antecedents and consequences of blogging behaviors. We collected 613 valid responses to an online survey from blog users. Factor analysis was conducted to confirm 3 antecedents of using blogs as social motivations, goal orientation, and entertainment orientation. We identified 3 key blogging behaviors of basic journaling, more advanced publishing, and interactive feedback. Social and information return were identified as the 2 major effects of blogging behaviors. The results of structural equation modeling showed that social motivations and entertainment orientation had significant impacts on all 3 blogging behaviors and goal orientation positively influenced advanced publishing and interactive feedback. Implications and limitations are discussed. [ABSTRACT FROM AUTHOR]

Blogging stickiness and motivations have become a frequently studied topic in blogging research for several years, yet little research pays attention to the difference between the initial motivation and current motivations. This study proposes to investigate and understand bloggers behaviors through specifying the intrinsic and extrinsic components of their motivations. Two major questions were raised and explored in this study: 1. What are the reasons that promote students to initiate blogs; 2. How the blogging motivations and behavior patterns interact in blog maintaining. Based on a survey of 186 bloggers, among City University of Hong Kong, it is found that three major motivations (practicing a new type of diary, curiosity and thoughts on following the crowd) are the most important motivations in initiating blogging. In maintaining a blog, the hypothesis that social connection motivation is positively related to interaction-oriented behavior, while emotion-pouring motivation is positively related to self-restriction behavior in expression is supported. [ABSTRACT FROM AUTHOR]