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Polymedia chat applications such as WhatsApp are facilitating 'mixed-media' relationships (Parks, 2017, Communication Research, 4, 505) as they have penetrated our everyday mediated interactions. This has led to calls for a deeper probe into the interconnections of the varied modes. After defining its vital term 'mode', the current study focuses on two widely used modes—image and text—in everyday mediated interactions via chat applications. In order to study their interconnections, the study adopts Martinec's (2005) image–text relation systems. The findings indicate two extreme range points of image–text interconnections in mediated chat app-based interactions. At one extreme point, images and texts seem to be repeating each other's messages, and at another point, they seem to complement one another. The point where images and texts complement one another highlights the role of images, and the point seems to play evocative and facilitative roles.

Purpose
The purpose of this paper is to develop a conceptual framework, which identifies intrinsic, social and extrinsic gratification factors as essential individual factors influencing users' disclosure of personal information via mobile instant messaging (MIM) applications (apps). In addition, the author has examined whether gender affects those different factors of gratification.


Design/methodology/approach
Data are collected via paper-based survey from university students who use MIM in the United Arab Emirates. Structural equation modeling is used to test the hypotheses that are presented in the model.


Findings
The findings show that intrinsic gratifications (entertainment and escapism) and social gratifications (social interaction) have positive effects on the depth and breadth of self-disclosure via MIM apps. Additionally, women's self-disclosure of personal information is positively affected by social influence, while men are not influenced by this type of gratification.


Originality/value
The study aims to enhance the current understanding of the limited research on the uses and gratifications approach within the context of MIM apps to identify the gratifications that motivate MIM apps users to disclose personal information.

Purpose
This study aims to empirically examine the factors that affect mobile loyalty (m-loyalty) and its influence on customer reuse intention towards mobile instant messaging services. This study identified measurement items to assess the business users and individual users reuse intention towards mobile instant messaging services and test the relationship in the conceptual model. This study bridges a literature gap focusing on m-loyalty and its impact on customer reuse intention, which has not received attention previously.


Design/methodology/approach
To evaluate the influence of the factors, this study identified and extracted the items from past literature to develop the survey instrument. This study surveyed 600 respondents including business users and individual users from the Delhi-National Capital Region of India and applied the structural equation modelling to test the conceptual model.


Findings
The results revealed that satisfaction and m-loyalty have a direct effect on the business users and individual users' reuse intention of mobile instant messaging services. This study found that satisfaction, usability, perceived value, commitment, trust and m-loyalty influence on business users reuse intention. This study indicate that enjoyment has an insignificant relationship on m-loyalty for business users followed by usability and enjoyment has an insignificant relationship on m-loyalty for individual users. Further, female gender does not moderate the relationship between satisfaction and business users reuse intention. The cognitive absorption and the unified theory of acceptance and use of technology (UTAUT) theories supported evaluating the association between the factors in the context of business and individual users reuse intention of mobile instant messaging service.


Research limitations/implications
The empirical findings imply that all the factors except enjoyment have directly influenced the business users reuse intention of mobile instant messaging. The significant influence of usability factor on the business users reuse intention towards mobile instant messaging is the major variation between the validated models of business and individual samples. The results of influencing factors of m-loyalty and its impact on customer reuse intention are associated with cognitive absorption and the UTAUT theories.


Practical implications
Focus on these factors can be beneficial for the business users, managers, mobile instant messaging service providers and application developers to increase customer loyalty and reuse intention for the mobile instant messaging services. This research will facilitate mobile instant messaging service providers to keep their services market relevant and focus on user satisfaction in building applications for loyalty.


Originality/value
This research identified measurement items from earlier literature to identify, analyze and verify the relevance of these factors in m-loyalty and customer reuse intention of mobile instant messaging services and fill the gap in customer reuse intention of mobile instant messaging services literature.

In this article, we argue how instant messaging (IM) is actively made into a communicative space of their own among migrant girls. Triangulating data gathered through large-scale surveys, interviews and textual analysis of IM transcripts, we focus on Moroccan-Dutch girls who use instant messaging as a space where they can negotiate several issues at the crossroads of national, ethnic, racial, age and linguistic specificities. We take an intersectional perspective to disentangle how they perform differential selves using IM both as an 'onstage' activity through which they express their communal, public and global youth cultural belongings and as a 'backstage' activity through which they articulate their individual, private and intimate identity expression. Instant messaging appears to be a space where they can strategically (re-)position themselves. The relationship between the online world of IM and the off-line world is shown to be intricate and complex; at certain points, both worlds overlap and at others they diverge. Despite all existing constraints that are both related to gender restrictions, often disenfranchised family backgrounds, religious dictums, and surveillance by parents, siblings and peers, which affect Moroccan-Dutch girls in specific ways, IM is also understood as a unique space for exerting their agency in autonomous, playful and intimate ways.

ABSTRACT BACKGROUND: Instant messaging services (IMS) are widely used in medical practice. OBJECTIVE: To evaluate perceptions regarding use and usability of IMS within clinical practice and assess users' knowledge of the ethical and legal context involved in using IMS within medical practice. DESIGN AND SETTING: Cross-sectional study conducted in different hospitals and medical institutions in Minas Gerais, Brazil. METHODS: Medical students, medical residents, primary care physicians and specialist doctors answered an online questionnaire regarding epidemiological data, graduation level and use of IMS for medical communication. Responses were collected over a five-month period and data were assessed using the IBM-SPSS software. RESULTS: 484 people answered the questionnaire: 97.0% declared that they were using IMS for medical-related purposes; 42.0%, to elucidate medical concerns every week; 75.0%, to share imaging or laboratory tests and patients' medical records; and 90.5%, to participate in clinical case-study private groups. Moreover, only 37.0% declared that they had knowledge of the legislative aspects of use of smartphones within clinical practice. Differences in the frequency of discussion of medical concerns within the daily routine between student/residents and general practitioners/specialists, and in the frequency of image-sharing and patient-guiding/assistance between students and medical doctors, were observed. CONCLUSIONS: Our results provide reliable proof that medical doctors and students use IMS, as a tool for clinical case discussions, interactions between healthcare providers and patients, or dissemination of knowledge and information. Nonetheless, because of limitations to the ethical and legal regulations, evidence-based discussions between authorities, academics and medical institutions are needed in order to fully achieve positive outcomes from such platforms.

Users have adopted a wide range of digital technologies into their communication repertoire. It remains unclear why they adopt multiple forms of communication instead of substituting one medium for another. It also raises the question: What type of need does each of these media fulfill? In the present article, the authors conduct comparative work that examines the gratifications obtained from Facebook with those from instant messaging. This comparison between media allows one to draw conclusions about how different social media fulfill user needs. Data were collected from undergraduate students through a multimethod study based on 77 surveys and 21 interviews. A factor analysis of gratifications obtained from Facebook revealed six key dimensions: pastime, affection, fashion, share problems, sociability, and social information. Comparative analysis showed that Facebook is about having fun and knowing about the social activities occurring in one's social network, whereas instant messaging is geared more toward relationship maintenance and development. The authors discuss differences in the two technologies and outline a framework based on uses and gratifications theory as to why young people integrate numerous media into their communication habits.

With an increasing number of people, especially adolescents, using more private online platforms, such as WhatsApp, for news, an important question for democracy is whether such platforms can facilitate learning about politics and current events. In this study, we examine adolescents' affective (emotions, feelings), behavioral (actions and behavioral intentions), and cognitive (political knowledge) responses to interpersonal political discussion on WhatsApp. We conducted a preregistered field experiment at six secondary schools in the Netherlands ( N = 230). We assigned respondents with strong ties to a WhatsApp group. For seven days, respondents received a link to an online political news item on a daily basis; and (1) either had to read or (2) read and discuss it. The results indicate that interpersonal discussion evokes stronger positive emotions and feelings, as well as issue-specific knowledge. In addition, elaboration on the content of political discussion was positively related to issue-specific knowledge. In this way, instant messaging apps may serve as a resource for engaging adolescents with politics and current events.

Instant messaging is one of the most popular communication technologies in virtual teams, enabling interactions to intertwine whole working days, thus creating the sense of copresence for team members who are geographically dispersed. Through close linguistic analyses of naturally occurring data from a virtual team, this article discusses the implications of two novel communicative situations enabled by instant messaging: presence information and the persistence of transcript. The preliminary findings of this study indicate that these new communicative situations require the flouting or rethinking of previously existing interactional norms and that communicative practices employed by the team members are not yet conventionalized/normalized, the expectations and interpretations of interactional rituals and timing vary highly, even within the same virtual team.

The article investigates the shift of much interpersonal communication from phone or face-to-face interaction to instant messaging, especially among teenagers. This objectification of conversation enabled changes in myriad social practices, as well as in regimes of intimacy and truth: new, invisible audiences are introduced to hitherto intimate situations for real-time consultations; intimacy, traditionally based on exclusivity in access to events and information, has to be reshaped under the new conditions as 'network intimacy'; formerly separate events collapse into new frames, challenging traditional temporal sequencing of sociability; conversations are imbued with performativities of different sorts; and proof and evidence are introduced into interpersonal spheres where they weren't common before.

Purpose
Mobile instant messaging (MIM) applications have grown profusely worldwide in recent years in tandem with increased smartphone usage. The purpose of this paper is to examine the relationships among perceived benefits, personality traits, MIM satisfaction, and social capital responses.


Design/methodology/approach
This paper uses partial least squares-SEM to investigate proposed hypotheses based on a sample of 1,519 WhatsApp users.


Findings
The results indicate that perceived benefits of MIM and personality traits have a positive influence on MIM satisfaction; and MIM satisfaction in turn has a positive effect on users' social capital responses. MIM satisfaction partially mediates the relationships between perceived benefits, traits, and social capital. Additionally, the results indicate positive significant effect of Gen X and Y on social capital among other control variables.


Research limitations/implications
This study contributes to the growing body of knowledge on MIM. The results also provide important implications for MIM application developers and instigate future research in the MIM platform.


Originality/value
This study is the first attempt in integrating perceived benefits, personality traits, and social capital in MIM literature.

This is an Accepted Manuscript of an article published by Taylor & Francis in Information, Communication and Society on 07 Aug 2017, available online: https://doi.org/10.1080/1369118X.2017.1350730 ; Mobile instant messaging services (MIMS) are emerging as important digital environments in citizens' everyday lives. We explore the use of MIMS for talking about politics with unique survey data on samples representative of Internet users in Germany, Italy, and the UK. First, we show that robust percentages of our respondents who use MIMS employ them for posting political messages and discussing politics. Second, we demonstrate that political talk on MIMS is positively associated with users' tendency to censor themselves politically on social networking sites (SNS) and, to a lesser extent, with ideological extremism. Third, we find that the association between self-censorship on SNS and the likelihood of publishing political contents on MIMS is stronger for individuals living in former East Germany where, due to historical reasons, large segments of the population are reluctant to talk about politics in public. Our findings suggest that MIMS make a distinctive contribution to contemporary repertoires of political talk, with important implications for the quality and inclusiveness of interpersonal political discussion.