Since the popularisation of the Internet in the 1990s, the cyberspace has kept evolving. We have created various computer-mediated virtual environments including social networks, video conferencing, virtual 3D worlds (e.g., VR Chat), augmented reality applications (e.g., Pokemon Go), and Non-Fungible Token Games (e.g., Upland). Such virtual environments, albeit non-perpetual and unconnected, have bought us various degrees of digital transformation. The term `metaverse' has been coined to further facilitate the digital transformation in every aspect of our physical lives. At the core of the metaverse stands the vision of an immersive Internet as a gigantic, unified, persistent, and shared realm. While the metaverse may seem futuristic, catalysed by emerging technologies such as Extended Reality, 5G, and Artificial Intelligence, the digital `big bang' of our cyberspace is not far away. This survey paper presents the first effort to offer a comprehensive framework that examines the latest metaverse development under the dimensions of state-of-the-art technologies and metaverse ecosystems, and illustrates the possibility of the digital `big bang'. First, technologies are the enablers that drive the transition from the current Internet to the metaverse. We thus examine eight enabling technologies rigorously - Extended Reality, User Interactivity (Human-Computer Interaction), Artificial Intelligence, Blockchain, Computer Vision, IoT and Robotics, Edge and Cloud computing, and Future Mobile Networks. In terms of applications, the metaverse ecosystem allows human users to live and play within a self-sustaining, persistent, and shared realm. Therefore, we discuss six user-centric factors -- Avatar, Content Creation, Virtual Economy, Social Acceptability, Security and Privacy, and Trust and Accountability. Finally, we propose a concrete research agenda for the development of the metaverse.

All One Needs to Know about Metaverse: A Complete Survey on Technological Singularity, Virtual Ecosystem, and Research Agenda

In an experiment on Airbnb, we find that applications from guests with distinctively African-American names are 16% less likely to be accepted relative to identical guests with distinctively White names. Discrimination occurs among landlords of all sizes, including small landlords sharing the property and larger landlords with multiple properties. It is most pronounced among hosts who have never had an African-American guest, suggesting only a subset of hosts discriminate. While rental markets have achieved significant reductions in discrimination in recent decades, our results suggest that Airbnb’s current design choices facilitate discrimination and raise the possibility of erasing some of these civil rights gains.

/pdf/racial-discrimination-in-the-sharing-economy-evidence-from-a-1vkjpse2q7.pdf

Racial Discrimination in the Sharing Economy: Evidence from a Field Experiment

The potential for machine learning (ML) systems to amplify social inequities and unfairness is receiving increasing popular and academic attention. A surge of recent work has focused on the development of algorithmic tools to assess and mitigate such unfairness. If these tools are to have a positive impact on industry practice, however, it is crucial that their design be informed by an understanding of real-world needs. Through 35 semi-structured interviews and an anonymous survey of 267 ML practitioners, we conduct the first systematic investigation of commercial product teams' challenges and needs for support in developing fairer ML systems. We identify areas of alignment and disconnect between the challenges faced by teams in practice and the solutions proposed in the fair ML research literature. Based on these findings, we highlight directions for future ML and HCI research that will better address practitioners' needs.

Improving Fairness in Machine Learning Systems: What Do Industry Practitioners Need?

The potential for machine learning (ML) systems to amplify social inequities and unfairness is receiving increasing popular and academic attention. A surge of recent work has focused on the development of algorithmic tools to assess and mitigate such unfairness. If these tools are to have a positive impact on industry practice, however, it is crucial that their design be informed by an understanding of real-world needs. Through 35 semi-structured interviews and an anonymous survey of 267 ML practitioners, we conduct the first systematic investigation of commercial product teams' challenges and needs for support in developing fairer ML systems. We identify areas of alignment and disconnect between the challenges faced by industry practitioners and solutions proposed in the fair ML research literature. Based on these findings, we highlight directions for future ML and HCI research that will better address industry practitioners' needs.

Improving fairness in machine learning systems: What do industry practitioners need?

Social media? It's serious! Understanding the dark side of social media

Algorithmic systems increasingly shape information people are exposed to as well as influence decisions about employment, finances, and other opportunities. In some cases, algorithmic systems may be more or less favorable to certain groups or individuals, sparking substantial discussion of algorithmic fairness in public policy circles, academia, and the press. We broaden this discussion by exploring how members of potentially affected communities feel about algorithmic fairness. We conducted workshops and interviews with 44 participants from several populations traditionally marginalized by categories of race or class in the United States. While the concept of algorithmic fairness was largely unfamiliar, learning about algorithmic (un)fairness elicited negative feelings that connect to current national discussions about racial injustice and economic inequality. In addition to their concerns about potential harms to themselves and society, participants also indicated that algorithmic fairness (or lack thereof) could substantially affect their trust in a company or product.

https://dl.acm.org/doi/pdf/10.1145/3173574.3174230

A Qualitative Exploration of Perceptions of Algorithmic Fairness

In this paper, we report on a qualitative study of how users manage their reputation online. We focus particularly on people who are bothered by content online about themselves and how they manage reputation damage and repair. We describe how users view reputation management chores as necessary but unpleasant, and how they feel disempowered to repair their online reputation. Participants were unable to identify feasible repair mechanisms and ultimately failed to resolve their problems. Given the current state of dysfunction indicated by our findings, we advocate for increased HCI research attention to this area.

https://dl.acm.org/doi/pdf/10.1145/2556288.2557126

Necessary, unpleasant, and disempowering: reputation management in the internet age

systems increasingly allow companies to draw inferences about users' characteristics, yet users may not fully understand these systems due to their complex and often unintuitive nature. In this paper, we investigate inference literacy: the beliefs and misconceptions people have about how companies collect and make inferences from their data. We interviewed 21 non-student participants with a high school education, finding that few believed companies can make the type of deeply personal inferences that companies now routinely make through machine learning. Instead, most participant's inference literacy beliefs clustered around one of two main concepts: one cluster believed companies make inferences about a person based largely on a priori stereotyping, using directly gathered demographic data; the other cluster believed that companies make inferences based on computer processing of online behavioral data, but often expected these inferences to be limited to straightforward intuitions. We also find evidence that cultural models related to income and ethnicity influence the assumptions that users make about their own role in the data economy. We share implications for research, design, and policy on tech savviness, digital inequality, and potential inference literacy interventions.

/pdf/intuitions-analytics-and-killing-ants-inference-literacy-of-2a79l3xhvq.pdf

Intuitions, Analytics, and Killing Ants: Inference Literacy of High School-educated Adults in the {US}

https://dl.acm.org/doi/pdf/10.1145/3328489

10 things you should know about algorithmic fairness

Algorithmic systems are increasingly deployed to make decisions in many areas of people's lives. The shift from human to algorithmic decision-making has been accompanied by concern about potentially opaque decisions that are not aligned with social values, as well as proposed remedies such as explainability. We present results of a qualitative study of algorithmic decision-making, comprised of five workshops conducted with a total of 60 participants in Finland, Germany, the United Kingdom, and the United States. We invited participants to reason about decision-making qualities such as explainability and accuracy in a variety of domains. Participants viewed AI as a decision-maker that follows rigid criteria and performs mechanical tasks well, but is largely incapable of subjective or morally complex judgments. We discuss participants' consideration of humanity in decision-making, and introduce the concept of 'negotiability,' the ability to go beyond formal criteria and work flexibly around the system.

"A cold, technical decision-maker": Can AI provide explainability, negotiability, and humanity?

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