With the development of end-user fabrication technology, plotters have become increasingly accessible and attractive to a broader community. Since their invention, these 3-axis CNC machines have been connecting digital and analog creation. Plotters have great potential as a tool to bridge the digital-physical divide, allowing learners from a variety of backgrounds to gain immediate satisfaction from their programming by translating digital output into physical artifacts. In addition, due to their roots in art, plotters may be more inviting to students from artistic backgrounds new to programming. In this studio, we investigate plotters’ potential in introducing creative programming in collaborative learning environments. By introducing collaborative creative programming through the lens of plotters, we explore solutions to challenges in programming education, collaborative programming, and personal fabrication.

Given the importance and social significance of passing down family stories to each generation, why do important family stories not get told? How should designers of digital family storytelling platforms address missing or incomplete parts of narratives? Drawing from the results of an interview-based, practice-oriented inquiry, we argue that non-telling should be considered an important and integral part of family storytelling. Our findings show that non-telling is not simply silence. Non-telling allows family members to observe protective and discretionary values essential to the identity-making and relational goals of family storytelling. We also show ways that a person's reticence is situated and may change over time. In our discussion, we provide design strategies for family storytelling technologies to make room for silence and incorporate the values, purposes, and practices of non-telling.

Bangladesh has a rich history of storytelling for cultural, historical, social, and personal memories. Family stories in particular are powerful ways to reflect on relationships along with social values in a particular snapshot of time. Our goal is to derive insights for the design of culturally and value-sensitive digital storytelling tools for families in Bangladesh to preserve and share their stories. This paper describes ongoing work to understand the kinds of stories people tell, as well as the experience of listening to recorded stories.

Sharing family stories is an integral aspect of how families remember together and build a sense of connection. Yet, when generations in families are separated by large geographic and temporal distances, the everyday taken-for-granted processes of sharing family stories shift from conversational to mediated forms. To inform HCI research and practice in mediating family stories, we contribute an account of the co-constructive intergenerational social practices enacted to co-construct and interpret family stories. These practices demonstrate the agency of both storytellers and listeners as they work to discover, decipher, and reconstruct family stories. We close by drawing insights from this setting to frame key design challenges for multi-lifespan information systems mediating asynchronous, asymmetric, co-constructive and socially weighted information sharing interactions.

Children grow up fast. Many parents want to capture the candid, fleeting moments of their young children's lives to treasure later, but these moments are difficult to anticipate and to capture without disruption. Current technologies to address this are limited to indiscriminately capturing everything, or are dependent on parents' presence and prescience to initiate capture and manually record the moment. To address these limitations, we introduce KidKeeper, a toy-like system to capture, select, and deliver everyday family memories with minimal effort and disruption to family life. It uses an innovative approach to capture that we call "integrated capture," that combines previous attempts to continuously capture family memories with the practice-oriented approach of "unremarkable computing" to embed capture capabilities unobtrusively into everyday activities. In our study, we explore how technologies like KidKeeper mediate and align the different interests and values of various family members, namely parents who want precious moments and children who want to play, towards accomplishing a family goal to capture memories of everyday life.

People capture photos, audio recordings, video, and more on a daily basis, but organizing all these digital artifacts quickly becomes a daunting task. Automated solutions struggle to help us manage this data because they cannot understand its meaning. In this paper, we introduce Kurator, a hybrid intelligence system leveraging mixed-expertise crowds to help families curate their personal digital content. Kurator produces a refined set of content via a combination of automated systems able to scale to large data sets and human crowds able to understand the data. Our results with 5 families show that Kurator can reduce the amount of effort needed to find meaningful memories within a large collection. This work also suggests that crowdsourcing can be used effectively even in domains where personal preference is key to accurately solving the task.

Policy design is an important part of software development. As security breaches increase in variety, designing a security policy that addresses all potential breaches becomes a nontrivial task. A complete security policy would specify rules to prevent breaches. Systematically determining which, if any, policy clause has been violated by a reported breach is a means for identifying gaps in a policy. Our research goal is to help analysts measure the gaps between security policies and reported breaches by developing a systematic process based on semantic reasoning. We propose SEMAVER, a framework for determining coverage of breaches by policies via comparison of individual policy clauses and breach descriptions. We represent a security policy as a set of norms. Norms (commitments, authorizations, and prohibitions) describe expected behaviors of users, and formalize who is accountable to whom and for what. A breach corresponds to a norm violation. We develop a semantic similarity metric for pairwise comparison between the norm that represents a policy clause and the norm that has been violated by a reported breach. We use the US Health Insurance Portability and Accountability Act (HIPAA) as a case study. Our investigation of a subset of the breaches reported by the US Department of Health and Human Services (HHS) reveals the gaps between HIPAA and reported breaches, leading to a coverage of 65%. Additionally, our classification of the 1,577 HHS breaches shows that 44% of the breaches are accidental misuses and 56% are malicious misuses. We find that HIPAA's gaps regarding accidental misuses are significantly larger than its gaps regarding malicious misuses.

Memory is shaped by the media in which it is communicated (van Dijck, 2007). In a world where people live enmeshed with computing technologies, there are myriad opportunities to enrich and enhance everyday life with new kinds of memory. In my dissertation research, I employ a mixed methods interpretivist approach to investigate how people relate to and revisit memories of their past, how families collectively interact with shared memory, and how pervasive "ubicomp" technologies can be designed to support and enhance the social activities of sharing family memory across generations.

Valuable memories are increasingly captured and stored as digital artifacts. However, as people amass these digital mementos, their collections are rarely curated, due to the volume of content, the effort involved, and a general lack of motivation, which can result in important artifacts being obscured and forgotten in an accumulation of content over time. Our study aims to better understand the challenges and goals of people dealing with large collections, and to provide insight into how people select and pay attention to large collections of digital mementos. We conducted an interpretivist analysis of forum data from UnclutterNow.com, where participants discussed issues they face in curating the sentimental artifacts in their homes. We uncovered a number of social, temporal, and spatial affordances and concerns that influence the ways that people curate their memories, and discuss how curation is closely tied to how people use storage and display in their home. In our study, we drew out and unpack "curation regimes" as patterns that people enact to focus the attention they are able to pay to the artifacts in their collections. We close with a discussion of the design opportunities for memory artifacts, which support and facilitate the curatorial processes of users managing digital mementos in everyday life.

We propose an "accessibility infrastructure" view to understanding accessibility in real-world settings for people with visual impairments in the Global South. We study six cities --- Blantyre, Freetown, Kigali, Mumbai, San Jose, and Seoul --- all major cities from signatory nations of the United Nations Convention on the Rights of Persons with Disabilities (CRPD). Using mixed methods including a survey of 219 respondents and 59 in-depth interviews, we examine the gap between the policy promise of technological accessibility and existing social and economic infrastructure. We examine the idea of accessibility infrastructure and specifically focus on its social components through two factors --- stigma related to disability, and the community around technology users --- both of which emerge as important factors in enabling or excluding AT use. We propose that efforts around accessibility, particularly in the post-CRPD global awareness need to closely examine the reasons behind the gaps between the technological capabilities, and the real world possibilities for people with visual impairments where a social infrastructure provides a major barrier to meaningful accessibility.

The impact of health information on caregivers is of increasing interest to HCI/CSCW in designing systems to support the social and emotional dimensions of managing health. Drawing on an interview study, as well as corroborating data including a multi-year ethnography, we detail the practices of caregivers (particularly parents) in a bone marrow transplant (BMT) center. We examine the interconnections between information and emotion work performed by caregivers through a liminal lens, highlighting the BMT experience as a time of transition and reflection in which caregivers must quickly adapt to the new social world of the hospital and learn to manage a wide range of patient needs. The transition from parent to 'caregiver' is challenging, placing additional emotional burdens on the intensive information work for managing BMT. As a time of reflection, the BMT experience also provides an occasion for generative thinking and alternative approaches to health management. Our study findings call for health systems that reflect a design paradigm focused on 'transforming lives' rather than 'transferring information.'

This note discusses the use of cyborg theory to study assistive technology (AT) use by people with visual impairment (VI) in development contexts. We argue that the deep intimate interconnections that people form with their AT, while allowing them to become cyborgs, also become the means by which they can be regulated and controlled. This is a concern for ICTD, which strives to consider the instrumental outcomes of technology implementation as it is interwoven throughout people's lives. Applying Lessig's model of regulation to a cyborg body, we discuss the implications for protecting autonomy in AT use by people with visual impairment.

This paper presents an ethnographically-based account on the impact of technologies appropriated in the livelihood strategies of people with disabilities (PWDs) in Sierra Leone, West Africa. In contrast to other developing countries, Sierra Leone presents a situation where people with disabilities are socially marginalized but not necessarily wholly disadvantaged. Through a lens of technology-amplified capabilities we show how PWDs leverage information and communication technologies (ICTs) to counteract social dampeners they regularly experience that prevent their participation in society. We discuss the role of the war experience and its impact on services and attitudes towards people with disability and how disruptive contexts can open up opportunities to support and amplify existing life skills towards development goals.

Human-centered design teams must integrate diverse individual perspectives into a shared understanding during conceptual design. The team's shared knowledge of their users becomes the basis for later design decisions. We conducted a formative study that shows how generic groupware is insufficient to support the transition from individual to collaborative creative work. We developed a set of design guidelines and implemented them in Dazzle, a collaborative shared display system for co-located design team meetings. Dazzle associates the action of showing information on the shared display with granting the rest of the team access to that information: showing is sharing. Dazzle also records a history of shown files. Team members can annotate this log using cross-platform synchronized clients. Teams of novice designers tested Dazzle over two consecutive sessions: the first focused on synthesizing user research, and the second focused on brainstorming. Dazzle was very effective at grounding team conversations about user research, but was used less for sharing information during brainstorming tasks. Items from the shared activity log were used as sources of inspiration and decision criteria during the brainstorming task. Future work includes additional support for active decision-making, and ambient feedback on design activity.

Aging causes physical and cognitive changes that influence how we interact with the world around us. As personal data becomes increasingly available from a variety of sources, older adults can use this information to better understand these changes and adapt. Our project explores information visualization as a tool to help older adults interpret and understand their own personal data. To test this concept, we created visualizations of user's pointer performance metrics to help demystify problems in real-world mouse use. In a user study conducted with older adults with a range of computing experience, we learned that visualizations such as these can be a highly engaging information medium for this population. This paper presents our value-driven design process and recommendations for visualizations for older adults.