New England

In recent years, tagging systems have become increasingly popular. These systems enable users to add keywords (i.e., “tags”) to Internet resources (e.g., web pages, images, videos) without relying on a controlled vocabulary. Tagging systems have the potential to improve search, spam detection, reputation systems, and personal organization while introducing new modalities of social communication and opportunities for data mining. This potential is largely due to the social structure that underlies many of the current systems.

Despite the rapid expansion of applications that support tagging of resources, tagging systems are still not well studied or understood. In this paper, we provide a short description of the academic related work to date. We offer a model of tagging systems, specifically in the context of web-based systems, to help us illustrate the possible benefits of these tools. Since many such systems already exist, we provide a taxonomy of tagging systems to help inform their analysis and design, and thus enable researchers to frame and compare evidence for the sustainability of such systems. We also provide a simple taxonomy of incentives and contribution models to inform potential evaluative frameworks. While this work does not present comprehensive empirical results, we present a preliminary study of the photosharing and tagging system Flickr to demonstrate our model and explore some of the issues in one sample system. This analysis helps us outline and motivate possible future directions of research in tagging systems.

Recent years have witnessed the dramatic popularity of online social networking services, in which millions of members publicly articulate mutual "friendship" relations. Guided by ethnographic research of these online communities, we have designed and implemented a visualization system for playful end-user exploration and navigation of large-scale online social networks. Our design builds upon familiar node-link network layouts to contribute techniques for exploring connectivity in large graph structures, supporting visual search and analysis, and automatically identifying and visualizing community structures. Both public installation and controlled studies of the system provide evidence of the system's usability, capacity for facilitating discovery, and potential for fun and engaged social activity.

This paper presents ethnographic fieldwork on Friendster, an online dating site utilizing social networks to encourage friend-of-friend connections. I discuss how Friendster applies social theory, how users react to the site, and the tensions that emerge between creator and users when the latter fails to conform to the expectations of the former. By offering this ethnographic piece as an example, I suggest how the HCI community should consider the co-evolution of the social community and the underlying technology

In recent years, tagging systems have become increasingly popular. These systems enable users to add keywords (i.e., “tags”) to Internet resources (e.g., web pages, images, videos) without relying on a controlled vocabulary. Tagging systems have the potential to improve search, spam detection, reputation systems, and personal organization while introducing new modalities of social communication and opportunities for data mining. This potential is largely due to the social structure that underlies many of the current systems.

Despite the rapid expansion of applications that support tagging of resources, tagging systems are still not well studied or understood. In this paper, we provide a short description of the academic related work to date. We offer a model of tagging systems, specifically in the context of web-based systems, to help us illustrate the possible benefits of these tools. Since many such systems already exist, we provide a taxonomy of tagging systems to help inform their analysis and design, and thus enable researchers to frame and compare evidence for the sustainability of such systems. We also provide a simple taxonomy of incentives and contribution models to inform potential evaluative frameworks. While this work does not present comprehensive empirical results, we present a preliminary study of the photosharing and tagging system Flickr to demonstrate our model and explore some of the issues in one sample system. This analysis helps us outline and motivate possible future directions of research in tagging systems.

Young people in the United States today are growing up in a media ecology where digital and networked media play an increasingly central role. Even youth who do not possess computers and Internet access at home are participants in a shared culture where new social media, online media distribution, and digital media production are commonplace among their peers and in their everyday school contexts. The implications of this new media ecology weigh heavily on the minds of parents and educators alike, who worry about the changes new media may present for learning and literacy as well as for the process of growing up in American society.

This report summarizes the results of a three-year ethnographic study, funded by the John D. and Catherine T. MacArthur Foundation, examining young people’s participation in the new media ecology.

Twitter—a microblogging service that enables users to post messages (“tweets”) of up to 140 characters—supports a variety of communicative practices; participants use Twitter to converse with individuals, groups, and the public at large, so when conversations emerge, they are often experienced by broader audiences than just the interlocutors. This paper examines the practice of retweeting as a way by which participants can be “in a conversation.” While retweeting has become a convention inside Twitter, participants retweet using different styles and for diverse reasons. We highlight how authorship, attribution, and communicative fidelity are negotiated in diverse ways. Using a series of case studies and empirical data, this paper maps out retweeting as a conversational practice.

Profiles have become a common mechanism for presenting one’s identity online. With the popularity of online social networking services such as Friendster.com, Profiles have been extended to include explicitly social information such as articulated “Friend” relationships and Testimonials. With such Profiles, users do not just depict themselves, but help shape the representation of others on the system. In this paper, we will discuss how the performance of social identity and relationships shifted the Profile from being a static representation of self to a communicative body in conversation with the other represented bodies.

We draw on data gathered through ethnography and reaffirmed through data collection and visualization to analyze the communicative aspects of Profiles within the Friendster service. We focus on the role of Profiles in context creation and interpretation, negotiating unknown audiences, and initiating conversations. Additionally, we explore the shift from conversation to static representation, as active Profiles fossilize into recorded traces.

Not all Facebook users appreciated the September 2006 launch of the ‘News Feeds’ feature. Concerned about privacy implications, thousands of users vocalized their discontent through the site itself, forcing the company to implement privacy tools. This essay examines the privacy concerns voiced following these events. Because the data made easily visible were already accessible with effort, what disturbed people was primarily the sense of exposure and invasion. In essence, the ‘privacy trainwreck’ that people experienced was the cost of social convergence

As social network sites like MySpace and Facebook emerged, American teenagers began adopting them as spaces to mark identity and socialize with peers. Teens leveraged these sites for a wide array of everyday social practices—gossiping, flirting, joking around, sharing information, and simply hanging out. While social network sites were predominantly used by teens as a peer-based social outlet, the unchartered nature of these sites generated fear among adults. This dissertation documents my 2.5-year ethnographic study of American teens’ engagement with social network sites and the ways in which their participation supported and complicated three practices—self-presentation, peer sociality, and negotiating adult society.

My analysis centers on how social network sites can be understood as networked publics which are simultaneously (1) the space constructed through networked technologies and (2) the imagined community that emerges as a result of the intersection of people, technology, and practice. Networked publics support many of the same practices as unmediated publics, but their structural differences often inflect practices in unique ways. Four properties—persistence, searchability, replicability, and scalability—and three dynamics—invisible audiences, collapsed contexts, and the blurring of public and private—are examined and woven throughout the discussion.

While teenagers primarily leverage social network sites to engage in common practices, the properties of these sites configured their practices and teens were forced to contend with the resultant dynamics. Often, in doing so, they reworked the technology for their purposes. As teenagers learned to navigate social network sites, they developed potent strategies for managing the complexities of and social awkwardness incurred by these sites. Their strategies reveal how new forms of social media are incorporated into everyday life, complicating some practices and reinforcing others. New technologies reshape public life, but teens’ engagement also reconfigures the technology itself.

In this thesis, i articulate a theory of how and why individuals use context to convey only a facet of their identity in social interactions. Through this lens, i discuss current issues in digital identity management. In this discussion, i focus on the role of design in affecting an individual’s ability to maintain control of personal representation and identity information. I argue that the architecture of current digital environments has altered our notions of context, motivating users to develop new mechanisms for managing their presentation. I take the stance that users should have the ability to control their digital identity for the same reasons that they seek to control their physical identity, most notably to present themselves in an appropriate manner in relation to the current situation.

From this perspective, i argue for a design approach that will aid sociable designers in developing human-centered technologies that allow for individual control over personal identity. First, i argue the need for mechanisms of self-awareness and discuss what forms of awareness users should have. In doing so, i analyze current approaches to awareness and critique my own work on Social Network Fragments, a visualization tool for revealing the structure of one’s digital social network. Alongside self-awareness, i present the need for identity management and critique my work on SecureId, a prototype intended to give users control over their digital presentation by offering security through identity-based knowledge.

This thesis argues for empowering users through awareness and control, so that they may provide the level of regulation that is desirable. In doing so, i offer a novel approach to context and identity management in digital social interaction.

Social software… It’s a term that is thrown around frequently, rarely defined, completely elusive, and yet totally significant. What on earth does it mean? And should you care? (IMHO) Of course you should care! Social software is all around us now. It is altering the organization of social life. How do you communicate with loved ones? How do you find information? A lot of this hinges on social software. In this opening essay, I want to address the significance of „social software.” I will look at this from a few different angles, building on the attitudes and practices of creators, users, and researchers of social software. My goal is to lay out some possible approaches for thinking about the types of technologies and behaviors that emerge. What I’m offering is not some truth serum (nor even a proper analysis) – it can and should be contested, questioned, and wrestled with

Although constructed for researchers to share news and information, Usenet quickly developed into a social environment with varied styles of interactions. Unfortunately, the browsers developed to view the shared messages fail to effectively convey the rich social features of a newsgroup, let alone all of Usenet. The goal of our research is to use the salient features of social interaction to build a “legible” interactive visual representation of Usenet. In this paper, we introduce our approach to developing this type of visualization, discussing our theoretical framework, questions considered to access the socially salient features, and a series of design iterations used for exploring how to develop a visual language that conveys social meaning. Although this paper represents a work in progress, we hope that this approach and our initial iterations help build a framework for future directions.

When information practices are understood to be shaped by social context, privilege and marginalization alternately impact not only access to—but also use of—information resources. In the context of information, privilege, and community, politics of marginalization drive stigmatized groups to develop collective norms for locating, sharing, and hiding information. In this paper, we investigate the information practices of a subcultural community whose activities are both stigmatized and of uncertain legal status: the extreme body modification community.  We use the construct of information poverty to analyze the experiences of eighteen people who had obtained, were interested in obtaining, or had performed extreme body modification procedures. With a holistic understanding of how members of this community use information, we complicate information poverty by working through concepts of stigma and community norms.  Our research contributes to human information behavior scholarship on marginalized groups and to Internet studies research on how communities negotiate collective norms of information sharing online.

The era of Big Data has begun. Computer scientists, physicists, economists, mathematicians, political scientists, bio-informaticists, sociologists, and other scholars are clamoring for access to the massive quantities of information produced by and about people, things, and their interactions. Diverse groups argue about the potential benefits and costs of analyzing genetic sequences, social media interactions, health records, phone logs, government records, and other digital traces left by people. Significant questions emerge. Will large-scale search data help us create better tools, services, and public goods? Or will it usher in a new wave of privacy incursions and invasive marketing? Will data analytics help us understand online communities and political movements? Or will it be used to track protesters and suppress speech? Will it transform how we study human communication and culture, or narrow the palette of research options and alter what ‘research’ means? Given the rise of Big Data as a socio-technical phenomenon, we argue that it is necessary to critically interrogate its assumptions and biases. In this article, we offer six provocations to spark conversations about the issues of Big Data: a cultural, technological, and scholarly phenomenon that rests on the interplay of technology, analysis, and mythology that provokes extensive utopian and dystopian rhetoric.

Social media technologies let people connect by creating and sharing content. We examine the use of Twitter by famous people to conceptualize celebrity as a practice. On Twitter, celebrity is practiced through the appearance and performance of ‘backstage’ access. Celebrity practitioners reveal what appears to be personal information to create a sense of intimacy between participant and follower, publicly acknowledge fans, and use language and cultural references to create affiliations with followers. Interactions with other celebrity practitioners and personalities give the impression of candid, uncensored looks at the people behind the personas. But the indeterminate ‘authenticity’ of these performances appeals to some audiences, who enjoy the game playing intrinsic to gossip consumption. While celebrity practice is theoretically open to all, it is not an equalizer or democratizing discourse. Indeed, in order to successfully practice celebrity, fans must recognize the power differentials intrinsic to the relationship.

Social media technologies collapse multiple audiences into single contexts, making it difficult for people to use the same techniques online that they do to handle multiplicity in face-to-face conversation. This article investigates how content producers navigate ‘imagined audiences’ on Twitter. We talked with participants who have different types of followings to understand their techniques, including targeting different audiences, concealing subjects, and maintaining authenticity. Some techniques of audience management resemble the practices of ‘micro-celebrity’ and personal branding, both strategic self-commodification. Our model of the networked audience assumes a many-to-many communication through which individuals conceptualize an imagined audience evoked through their tweets.