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In recent years, instant messaging platforms like WhatsApp have gained substantial popularity in both academic and practical domains. However, despite this growth, there is a lack of a comprehensive overview of the literature in this field. The primary purpose of this study is to bridge this gap by analyzing a substantial dataset of 12,947 articles retrieved from the Dimensions.ai, database spanning from 2011 to March 2023.

To achieve the authors' objective, the authors employ bibliometric analysis techniques. The authors delve into various bibliometric networks, including citation networks, co-citation networks, collaboration networks, keywords and bibliographic couplings. These methods allow for the uncovering of the social and conceptual structures within the academic discourse surrounding WhatsApp.

The authors' analysis reveals several significant findings. Firstly, the authors observe a remarkable and continuous growth in the number of academic studies dedicated to WhatsApp over time. Notably, two prevalent themes emerge: the impact of coronavirus disease 2019 (COVID-19) and the role of WhatsApp in the realm of social media. Furthermore, the authors' study highlights diverse applications of WhatsApp, including its utilization in education and learning, as a communication tool, in medical education, cyberpsychology, security, psychology and behavioral learning.

This paper contributes to the field by offering a comprehensive overview of the scholarly research landscape related to WhatsApp. The findings not only illuminate the burgeoning interest in WhatsApp among researchers but also provide insights into the diverse domains where WhatsApp is making an impact. The analysis of bibliometric networks offers a unique perspective on the social and conceptual structures within this field, shedding light on emerging trends and influential research. This study thus serves as a valuable resource for scholars, practitioners and policymakers seeking to navigate the evolving landscape of WhatsApp research. The study will also be useful for researchers interested in conducting bibliometric analysis using Dimensions.ai, a free database.

This paper aims to give an overview on a number of selected applications in comparison to a previous evaluation conducted two years ago, as well as performing an analysis on several new applications. Mobile messaging and VoIP applications for smartphones have seen a massive surge in popularity, which has also sparked the interest in research related to their security and privacy protection, leading to in-depth analyses of specific applications or vulnerabilities.

The evaluation methods mostly focus on known vulnerabilities in connection with authentication and validation mechanisms but also describe some newly identified attack vectors.

The results show a positive trend for new applications, which are mostly being developed with security and privacy features, whereas some of the older applications have shown little progress or have even introduced new vulnerabilities. In addition, this paper shows privacy implications of smartphone messaging that are not even solved by today’s most sophisticated “secure” smartphone messaging applications, as well as discusses methods for protecting user privacy during the creation of the user network.

Currently, there is no perfect solution available; thus, further research on this topic needs to be conducted.

In addition to conducting a security evaluation of existing applications together with newly designed messengers that were designed with a security background in mind, several methods for protecting user privacy were discussed. Furthermore, some new attack vectors were discussed.

This chapter presents theoretical and empirical studies that investigate the influence of digital culture on the educational process of university students where mobile devices and the internet have become increasingly present as resources in everyday school life. The researchers investigate how such devices and the internet interact with university environments in ways that change the more traditional academic practices, such as reading, writing, and studying. Moreover, in the context of what has been widely labeled as humanities studies, interest has grown in understanding how “culture” may be studied via varied strands of interpretative lines of inquiry, each configured by different methods and ways of reflection. At master education levels, digital technology becomes even more present as a means of academic activity and, as a result, amplifies the impacts of digital culture on contemporary university culture. The purpose of this work is to study the concept of culture, digital culture, and scholarly culture, and, on a second approach, to review aspects of the development of communication methods and their impacts on university educational environments. As a methodological theoretical procedure, this research builds on authors who have raised practical and scholarly cultural questions, such as Pierre Bourdieu, Pierre Levy, Raymond Williams, Roger Chartier, Anne Marie Chartier, and Bernard Lahire, among others. This study engages in empirical research with students in an Advertising and Marketing course in a private higher educational institution in the city of Araraquara, which is located in the “interior” of the state of São Paulo in Brazil.

During the digital media era with an explosion of messages, the prevalence of what is known as “message fatigue” has grown. However, there is a lack of understanding toward message fatigue in using instant messengers. Based on the stressor-strain-outcome framework, this study provides a theoretical model to explore possible predictors and consequences of instant messaging fatigue.

The hypothesized model includes communication overload, social overload, instant messaging fatigue, technology and behavioral intention to use instant messaging. Three hundred and eleven responses are collected using an online survey. The authors conduct structural equation modeling to evaluate the hypothesized model and test the hypotheses.

This study reveals that (1) communication overload and social overload are positively associated with instant messaging fatigue and technostress; (2) higher levels of instant messaging fatigue and technostress are also related to a higher level of intention to discontinue usage; (3) technostress significantly mediates the relationship between instant messaging fatigue and intention to discontinue usage of instant messaging.

This study is limited to collect data from one university in the United States with a cross-sectional design. Future research should include other countries, different age groups and longitudinal methods to examine instant messaging fatigue.

This study extends existing findings on fatigue in using mobile communication by applying the stressor-strain-outcome framework to IM fatigue and improves the understanding of the potential negative aspects of instant messaging.

The purpose of this paper is to study smartphone use and its positive and negative effects and to provide recommendations for balanced use.

To study phone use, this paper applies the uses and gratification theory and gathered interview data from 24 participants on the participants’ frequency of use, mode of communication, people contacted and the reasons for using their phones. This paper analyzes the pros and cons of using smartphones using the Yin-Yang worldview.

This paper finds that people use their smartphones for communication, entertainment and other specific functions. Ease of communication and multitasking are the key benefits, and overuse and disconnect from the real world are the detriments in smartphone use.

The findings can enable future researchers and practitioners to view smartphones and their effects more holistically, rather than seeing it only from the negative or the positive lens.

The proposed framework can help the reader to consider their daily use of smartphones and their ways of balancing their presence in the virtual and the real worlds.

This paper proposes the Yin-Yang framework of smartphone use and provides recommendations for effective usage.

The purpose of this paper is to investigate the private-data pertaining to the interaction of users with social media applications that can be recovered from second-hand Android devices.

This study uses a black-box testing-principles based methodology to develop use-cases that simulate real-world case-scenarios of the activities performed by the users on the social media application. The authors executed these use-cases in a controlled experiment and examined the Android smartphone to recover the private-data pertaining to these use-cases.

The results suggest that the social media data recovered from Android devices can reveal a complete timeline of activities performed by the user, identify all the videos watched, uploaded, shared and deleted by the user, disclose the username and user-id of the user, unveil the email addresses used by the user to download the application and share the videos with other users and expose the social network of the user on the platform. Forensic investigators may find this data helpful in investigating crimes such as cyber bullying, racism, blasphemy, vehicle thefts, road accidents and so on. However, this data-breach in Android devices is a threat to user's privacy, identity and profiling in second-hand market.

Perceived notion of data sanitisation as a result of application removal and factory-reset can have serious implications. Though being helpful to forensic investigators, it leaves the user vulnerable to privacy breach, identity theft, profiling and social network revealing in second-hand market. At the same time, users' sensitivity towards data-breach might compel users to refrain from selling their Android devices in second-hand market and hamper device recycling.

This study attempts to bridge the literature gap in social media data-breach in second-hand Android devices by experimentally determining the extent of the breach. The findings of this study can help digital forensic investigators in solving crimes such as vehicle theft, road accidents, cybercrimes and so on. It can assist smartphone users to decide whether to sell their smartphones in a second-hand market, and at the same time encourage developers and researchers to design methods of social media data sanitisation.

The purpose of this paper is to deepen the understanding of why text messages are superseded by using stickers, thus driving instant messaging software (IMS) users’ visual communication process.

Drawing on Uses & Gratifications (U&G) theory and using a semantic technique, this research begins by identifying design indices of stickers and user’s perceived gratifications that they describe and evaluate at their first impression of using stickers in Study 1. Study 2 introduces media richness theory and the expectancy model into the framework of U&G theory and further explains several causal linkages from the LINE stickers’ design quality indices to proximal users’ perception of gratifications and distal sticker use intention.

Study 1 explores four variables, playfulness, variety, delicacy and uniqueness, as stickers’ design quality indices and discloses two user perceptions of gratifications, i.e., the needs of self-expression and of flaunting to someone, as main intrinsic motives for users sending stickers. The results of Study 2 further support the finding that self-expression and a mentality that seeks conspicuousness are two important psychological variables mediating the effects of three design quality indices – playfulness, variety and uniqueness – on visual image use intention.

The main contribution of this research is to verify the psychological mechanism of visualized communication between IMS users. Moreover, the finding extends the digital marketing literature by highlighting conspicuous consumption that occurs not only in consuming luxury goods, but also in costless or cheaper digital product such as IMS stickers.

Purpose – This chapter explores the strategies and tactics employed by researchers when dealing with emotionally challenging situations, both in the field and in academia in general.

Methodology/Approach – It draws on a qualitative longitudinal project investigating how recent Polish migrants from cities that are rather homogenous in terms of ethnicity and religion make sense of, and come to terms with, the much greater diversity they encounter in German and British cities. The project adopts a mixed-methods approach that includes social network analysis, focus groups, creative methods and in-depth interviews.

Findings – Moving beyond the inside–outsider binary in qualitative research, the authors reflect on their management of conflicting feelings about what happens in research situations. The authors discuss interview situations they found particularly emotionally challenging and the different ways they supported each other during and after fieldwork, for instance, when faced with situations in which research participants say things that are racist, Islamophobic, homophobic, xenophobic, classist or misogynist. They reflect on their use of electronic media, especially email and messenger applications, as tools which not only allow them to unpack the emotions that emerge in fieldwork, but also enable them to collaboratively reflect on their own positionalities in the field.

Originality/Value – The chapter argues that face-to-face and virtual interactions with colleagues can create spaces of care, self-care and solidarity. These relational spaces can form integral support systems for researchers and help them to deal with both the emotionality of social-science research and the wider emotional labour of academic work.

This study draws on the author's experiences building rapport through online chat for data collection for the author's doctoral dissertation. The author contacted ten Korean women via online chat to recruit and faced the most challenging situation; building rapport. As the Millennial generation is known as being tech-savvy or digital natives, the author actively used emoticons (pictorial representations of facial expressions using characters) with potential interviewees and completed ten interviews. Therefore, this paper offers a new qualitative interviewing method in feminist research.

The paper briefly reviews the works of literature on interviewing women on sensitive topics and building rapport before the interview. Then, the author introduced using emoticons to create rapport during the data collection process and how a non-traditional approach positively impacts the interviewer and interviewee before, during and even after the interview.

Women participants' responses and behaviors differed after building a rapport through an online chat. They were willing to share their personal stories and memories with the interviewer even though the interviewer did not ask.

This study provides a stepping stone for developing an account of the new qualitative methodological approach, specifically feminist qualitative research.

Few studies have described how qualitative researchers create a rapport in virtual space, specifically using emoticons. Also, this study suggests a new methodological approach since nonverbal communication in online chat is inevitable when interviewing people in qualitative research.

The main aims of the paper were to explore the role of information and communication technology (ICT) in shaping the work-life balance of managers working remotely and to identify individual recovery strategies and organisational interventions to support digital managers. The theoretical background was based on the work-family border theory and the effort-recovery model.

A semi-structured individual in-depth interview (IDI) was used as the research method. The research group consisted of 13 managers from companies in Poland representing various industries. In all, 560 min of recordings and 201 pages of text were obtained and subsequently coded and categorised.

The results showed that remote managers struggle with the work-life imbalance and blurred boundaries between work and private roles, as well as difficulties in maintaining digital hygiene. The use of ICT enables high flexibility but contributes to work-life conflict. Managers who work from home experience a constant workload and suffer from impaired recovery. The use of ICT creates a need to recover and maintain digital hygiene. However, there are constraints that impede managers' recovery attempts. Many feel that their work does not allow to recover but requires to be “always on” to help their subordinates fulfil their responsibilities, even though they do not expect their subordinates to work after hours. Finally, managers perceive organisational support as insufficient or inappropriate for their needs. They admit that they do not participate in organisational interventions due to lack of time and do not believe that they help them to maintain or restore their well-being.

The role of ICT in blurring the boundaries between work and private roles was explored in depth, as was the “always on” phenomenon as a factor contributing to the tension between the need to recover and the inability to engage in recovery activities. The study has practical implications for integrating individual and organisational approaches to well-being and identifies solutions to encourage managers to maintain digital hygiene and mental health.