Copyright law is increasingly relevant to everyday interactions online, from social media status updates to artists showcasing their work. This is especially true in creative spaces where rules about reuse and remix are notoriously gray. Based on a content analysis of public forum postings in eight different online communities featuring different media types (music, video, art, and writing), we found that copyright is a frequent topic of conversation and that much of this discourse stems from problems that copyright causes for creative activities. We identify the major types of problems encountered, including chilling effects that negatively impact technology use. We find that many challenges can be explained by lack of knowledge about legal or policy rules, including breakdowns in user expectations for the sites they use. We argue that lack of clarity is a pervasive usability problem that should be considered more carefully in the design of user-generated content platforms.

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For individuals with mental illness, social media are considered spaces for sharing and connection. However, not all expressions of mental illness are treated equally on these platforms. Different aggregates of human and technical control are used to report and ban content, accounts, and communities. Through two years of digital ethnography, including interviews with people with eating disorders, we examine the experience of content moderation. Our analysis shows that the practices of moderation available on different platforms have particular consequences for members of marginalized groups, who are pressured to conform and compelled to resist, such as through the subversion of platform features and collective action. Above all, we argue that platform moderation is enmeshed with wider processes of conformity to mental illness and body image. Practices of moderation reassert certain bodies and experiences as 'normal' and valued, while rejecting others. At the same time, practices of navigation around and resistance to these normative pressures further inscribe individuals as on the margins. We discuss changes to the ways that platforms handle content related to eating disorders by drawing on the concept of multiplicity to inform design. CCS Concepts: • Human-centered computing → Human computer interaction (HCI).

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Professional organizations provide surveillance guidelines for BRCA1 and BRCA2 (BRCA) carriers with intact breasts and/or ovaries to facilitate early cancer detection. However, literature indicates adherence to surveillance guidelines is inconsistent at best. Using the Messaging Model for Health Communication Campaigns framework, we undertook a two-phase formative research approach to develop an intervention to promote adherence to surveillance guidelines. Discussion groups identified preferred intervention format and function in phase I. Findings indicated carriers desired a phone application (app) to assist with surveillance management and appointment tracking. Thus, an iPhone app for carriers to track appointments based on published surveillance guidelines was developed. In phase II, we obtained feedback from BRCA carriers via a survey during a prototype demonstration at a regional conference. Participants in phase II wanted reminder capabilities and the ability to add and modify information fields. This feedback informed intervention modifications, resulting in the Scheduling Necessary Advised Procedures (SNAP) iPhone app currently being pilot tested by BRCA carriers throughout the USA.