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This article aims to explore the impact of new social media on the 2011 English riots.

The paper suggests that discourse on the riots in the news and popular press is obscured by speculation and political rhetoric about the role of social media in catalysing the unrest that overlooks the role of individual agency and misrepresents the emotional dimensions of such forms of collective action.

In considering the riots to be symptomatic of criminality and austerity, commentators have tended to revive nineteenth‐ and twentieth‐century crowd theories to make sense of the unrest, which are unable to account for the effect of new social media on this nascent twenty‐first century phenomenon.

Here, the notion of the “mediated crowd” is introduced to argue that combining emotions research with empirical analysis can provide an innovative account of the relationship between new social media and the type of collective action that took place during the riots. Such a concept challenges orthodox nineteenth‐ and twentieth‐century crowd theories that consider crowds to be a corollary of “emotive contagion” in spatial proximity, with “the mediated crowd” mobilised in the twenty‐first century through social networking in both geographic and virtual arenas.

The paper proposes that this original approach provides insight into the particular conditions in which the 2011 English riots emerged, while advancing crowd theory in general.

The purpose of this chapter was to deconstruct the underlying contradictions of crowdfunding practices and to show how crowdfunding practitioners develop a schizophrenic use of these contradictions.

The main contradictions of crowdfunding practices are introduced with theoretical references. Then short cases are used to illustrate how crowdfunding practitioners try to cope with these contradictions.

The crowd addresses many contradictions, first because it is a syncretic concept, second because online crowds are still to be proven crowds. In any case, crowdfunding practitioners do their best to take the advantage of these contradictions, and run the risk of falling between two stools.

An attempt to provide an analysis of crowdfunding as a social, and not only economic, phenomenon, to suggest avenues for further critical research on crowdfunding.

The purpose of this paper is to focus on investigating the impact of crowd participation on degree of project success, which is defined as the total amount of funds a project can obtain after it reaches its initial funding goal threshold.

Drawing on the theory of crowd capital, this study develops six hypotheses about the impact of crowd capability of a fundraiser (i.e. project updates, goal setting, reward levels and social media usage) and crowd participation (i.e. namely, funds pledge and on-site communication) on degree of project success. The hypotheses are tested using data sets of successful projects collected from two popular crowdfunding websites.

This study finds that funds pledge has an inverse U-shaped relationship with degree of project success. Project updates, reward levels and on-site communication positively influence degree of project success, while funding goal negatively affects degree of project success.

This study contributes to prior literature by investigating the degree of project success determinants using the perspectives of both fundraisers and crowds, which provides a more comprehensive understanding of what makes a crowdfunded project a success.

The empirical results of this study provide fundraisers with guidelines about how to access more funds after achieving the initial funding goals.

This work is one of the first to investigate the degree of project success and its determinants from the perspectives of both fundraisers and crowds.

With the advent of Internet technologies, shorter product life cycles and increasing competition, organisations have started looking for innovation sources outside the organisational boundaries. The external community of crowds can be used as a valuable source of co-creation in a company's innovation process to generate value. Despite its growing popularity, organisations often face difficulty capturing value from crowdsourcing due to the lack of proper mechanisms behind crowdsourcing-based value co-creation between a crowd and an organisation and their impact on organisational learning and innovation performance. The present study seeks to understand the crowdsourcing-based co-creation mechanism that influences knowledge transfer effectiveness and the organisation's absorptive capacity, resulting in improved innovation performance.

The model was empirically tested using online survey data received from 300 managers of IT firms. Partial least squares structural equation modelling was used to test the model.

The empirical results reveal that crowdsourcing-based value co-creation causes structural, cognitive and relational linkages between a crowd and a firm, among which crowdsourcing-based cognitive linkage contributes more to organisational value capture. Further, an organisation's effective knowledge transfer and absorptive capacity play an important role in influencing the crowdsourcing-based-co-creation organisational learning-innovation performance framework.

This is the first and foremost study that has developed an integrated model using social capital dimensions to understand the entire mechanism behind crowdsourcing-based value co-creation between a crowd and an organisation and their impact on organisational learning and innovation performance. The study provides organisations with theoretical and practical implications of using crowdsourcing as a value co-creation tool and its effects on enhancing organisational learning and value capture.

Over the past decade, many research works in various disciplines have benefited from the endless ocean of people and their potentials (in the form of crowdsourcing) as an effective problem-solving strategy and computational model. But nothing interesting is ever completely one-sided. Therefore, when it comes to leveraging people's power, as the dark side of crowdsourcing, there are some possible threats that have not been considered as should be, such as recruiting black hat crowdworkers for organizing targeted adversarial intentions. The purpose of this paper is to draw more attention to this critical issue through investigation of its different aspects.

To delve into details of such malicious intentions, the related literature and previous researches have been studied. Then, four major typologies for adversarial crowdsourced attacks as well as some real-world scenarios are discussed and delineated. Finally, possible future threats are introduced.

Despite many works on adversarial crowdsourcing, there are only a few specific research studies devoted to considering the issue in the context of cyber security. In this regard, the proposed typologies (and addressed scenarios) for such human-mediated attacks can shed light on the way of identifying and confronting such threats.

To the best of the authors' knowledge, this the first work in which the titular topic is investigated in detail. Due to popularity and efficiency of leveraging crowds' intelligence and efforts in a wide range of application domains, it is most likely that adversarial human-driven intentions gain more attention. In this regard, it is anticipated that the present research study can serve as a roadmap for proposing defensive mechanisms to cope with such diverse threats.

The purpose of this paper is twofold: first, the relationship between crowding perceptions (i.e. employees’ perceptions of insufficient personal space due to offices’ physical constraints) and deviant workplace behaviors (DWBs) directed at both the organization as a whole (DWB-O) and individuals (DWB-I); and second, privacy invasion from supervisors and peers as a mediator.

Data were collected from 299 respondents working in open-plan offices at four medium-to-large sized IT-based companies. Drawing on conservation of resources theory, the paper suggests that under crowding conditions employees can perceive the physical workspace as a space-related resource that is threatened leading them to engage in DWBs out of a conservation strategy.

Structural equation modeling results significantly supported main effects of employees’ crowding perceptions on the two types of DWBs, with privacy invasion from supervisors and peers as full mediator.

The study could suffer from mono-method/source bias, and specificities of the studied IT-based companies and their work can raise concerns about the generalizability of the results.

The findings indicate that a proper physical office arrangement can be a useful tool for managers in combating employee DWB.

To date, the origin of workplace deviance has mainly been investigated in terms of the psychosocial work environment; however, the physical labor conditions (i.e. the layout of buildings, furniture, workspace, air conditioning, workplace density, etc.) have received little systematic attention.

Recognizing that crowding in a restaurant waiting area forms a first impression of service and sets service expectations, the purpose of this study is to investigate the impact of crowding in the effective control of the waiting environment. The study seeks to examine the impact of crowding on customers' emotions and approach‐avoidance responses and to examine the mediating role of emotion and the moderating role of desired privacy in the relationship between crowding and approach‐avoidance responses.

Using real‐scale, interactive virtual reality (VR) technology that allows high‐fidelity representations of real environments, the authors created a navigable, photo‐realistic three‐dimensional model of a restaurant waiting area. Through an experimental study which manipulated crowding levels in the VR restaurant, they surveyed the subjects' responses toward crowding conditions.

The study found significant effects of crowding on emotions including arousal and dominance, but not pleasure, and on approach‐avoidance responses. The impact of crowding on approach‐avoidance responses was more direct than indirect, without having emotion as a mediator. It was also found that the desire for privacy as a psychological trait moderated the relationship between crowding and affiliation.

The findings of this study offer restaurant managers insights toward the effective management of the pre‐process service environment during the waiting state that minimizes the negative consequences of waiting/crowding. This study provides three courses of management actions that can make unavoidable crowding in the restaurant waiting situation more enjoyable and comfortable.

By using VR simulation, this study adds a new approach for crowding studies. Theoretically, this study broadened the scope of crowding studies by adding a potential mediating variable, emotions, and a moderating variable, desired privacy, in examining the relationship between crowding and approach‐avoidance responses. Also, by focusing on a restaurant waiting area, the authors were able to explore the pre‐process service expectations.

Crowding in service environments is a constant concern for many firms due to the negative consequences it has on consumers and companies alike. Yet, scant empirical research exists on firm-generated initiatives aimed at improving customer service experiences in crowded situations. The purpose of this paper is to investigate how information, a managerially actionable variable, influences social interactions (in the form of customer social withdrawal and citizenship behavior) and service experience.

Two experimental studies were conducted using an extended service context.

This research demonstrates that receiving information about crowds in advance results in heightened social withdrawal, which improves customer service experience. However, providing consumers with a platform to share crowding information increases customers’ citizenship behavior toward service employees and other customers, which, in turn, improves customer service experience.

For extended service encounters (e.g. air travel) where social interactions are inevitable, companies should encourage customers to share their real-time experiences with other customers in hopes of creating more positive social interactions (e.g. citizenship behavior) within the crowded environment.

Existing investigations of crowding stem from an overemphasis on the physical and atmospheric aspects of the environment by treating crowds as a “fixture” in the servicescape, rather than as “active participants” involved in the crowding environment. While the mere presence of crowds alone has negative effects, this research takes it a step further by examining interactions among and between customers and service employees within the crowded service environment.