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The purpose of this paper is to examine whether the sharing of movie trailers on video-sharing social media has an impact on box-office revenue.

From December 2013 to November 2014, view statistics were collected for movie trailers from YouTube and matched with the box-office revenue of the relevant movies from Box Office Mojo. Based on the 72 sample movies, a panel simultaneous equation model was applied.

The results show that sharing of a movie trailer has a positive impact on the box-office revenue of the movie, and this effect is greater in the early stage of a movie release than in the later stage.

This study analyzes, from electronic word-of-mouth (eWOM) and social influence perspectives, the effects of video-sharing activities on social media and their impact on sales with an example that is representative of entertainment goods or movie trailers.

This study reveals that promotion through video-sharing social media websites can serve as an essential marketing tool for entertainment goods such as movies, while the sharing of a movie trailer has a positive influence on the box-office revenue of the movie.

Focusing on the sharing features of video-sharing social media websites, this study contributes to enhancing our understanding of the predictive power of consumers’ video-sharing and expanding current research on eWOM and social influence.

This study investigates how different parental mediation strategies (active versus restrictive) and teen Douyin users' privacy risk perceptions are associated with their privacy management behaviors.

An online survey with teen Douyin users (N = 500) was administered in mainland China.

Perceived privacy risk leads teenagers to implement stricter privacy management strategies. However, different types of parental mediation have different impacts on teens' privacy management behaviors. Discussion-based active mediation is positively correlated with privacy disclosure and privacy boundary linkage, while rule-based restrictive mediation is positively associated with privacy boundary control. In addition, active mediation encourages teens to use their own judgment about privacy risks when deciding how much personal information to disclose and with whom they want to share their information. Conversely, restrictive mediation results in teens making decisions about disclosing private information without taking their own risk assessments into account.

Video-sharing social media platforms like TikTok and Douyin have become a cultural trend among teen social media users. However, loss of privacy is a potentially serious downside of using such platforms. Despite the platforms' popularity among this age group, little is known about the ways teens manage their privacy on such social media platforms. By examining how teens' privacy risk perception and parental intervention shape three different aspects of privacy boundary management (i.e. privacy disclosure, privacy boundary linkage, and privacy boundary control), this study provides a comprehensive understanding of teen Douyin users' privacy management.

The purpose of this paper is to present a study about a successful, award-winning online video marketing project at an academic library in China, hoping to shed light on how to most effectively employ social media in libraries' marketing campaigns.

The study examined the different aspects of the library's online video marketing project, including project preparation, video production, distribution and promotion, and evaluation of students' perception of this project via survey questionnaires. Factors that contributed to its success were also analyzed.

Four factors that contributed to the success of the library's video marketing project were identified: base video content on the real campus life, reflecting what students experience in their everyday activities; convey content in a humorous, light-hearted, and refreshing style; employ social media to share content and engage the target audience; and partner with students.

The paper helps interested librarians develop a more grounded understanding of how video sharing sites can be effectively and efficiently used as a marketing platform and how to successfully create their own video marketing campaigns.

One significant weakness in library marketing literature is the lack of empirical studies analyzing the details of creating an online video marketing campaign. This paper helps fill that void, and contributes to the growth of the knowledge about library marketing using innovative technologies.

In the postmodern consumer society, factors such as sustainability, responsible behaviour and digital environment have direct consequences on rethinking sustainable tourism promotion through 2.0 communication policy embedded within a specific cultural context. The aim of this research is to analyse and discuss the application of 2.0 systems thinking (ST) in three countries (France, UK and Serbia) to promote sustainable tourism thinking.

Online tourism ads available on YouTube, Vimeo, and Dailymotion, related to the cultural contexts of the UK, France and Serbia, have been analysed through a qualitative approach based on the use of visual methods. Furthermore, sustainable tourism dimensions and discourses have been identified in each context by applying intra- and intertextual analysis.

The results show that the use of 2.0 ST to promote sustainable tourism should take into account environmental and socio-cultural issues in each cultural context. These findings show that both the UK and France promote sustainable tourism logic through applying a 2.0 ST. This is not the case with Serbia where online sustainable tourism videos are underrepresented and the online content is different from the one in the UK and France.

This research might help tourism researchers and professionals to understand cultural differences when promoting sustainable tourism through a 2.0 communication and online videos. The results show that tourism system has to be considered as a complex and a dynamic framework where intense interlinking of social media with political, cultural, promotional, and organizational aspects of tourism systems in different countries is present.

The proposed framework in this study represents a tool that will enable tourism professionals to improve their sustainable tourism communication, especially the environmental and socio-cultural dimensions when considering a 2.0 communication approach.

The original aspect of this research is related to the analysis of interactive videos in tourism studies and to the introduction of a new framework based on 2.0 ST, used to promote sustainable tourism in a cross-cultural context.

In the present world of constant connectivity, the barrage system, as a system of real-time dynamic comments coupled with video content, has become a popular interactive system technology for video sharing platforms. This study investigates how barrage system fluctuation characteristics, namely, barrage fluctuation amplitude and frequency, impact user interaction.

The research model was estimated with a fixed-effects regression applied to a longitudinal panel dataset collected from one of the most popular video sharing platforms in China (Bilibili.com).

Barrage fluctuation frequency has positive effects on users' real-time (synchronous) barrage interaction and the traditional (asynchronous) comment interaction. Barrage fluctuation amplitude has a positive effect on users' real-time (synchronous) barrage interaction but a negative effect on traditional (asynchronous) comment interaction. In addition, the interaction effects of the barrage fluctuation frequency and the barrage fluctuation amplitude on user interaction show adverse effects.

The results revealed the impact of different barrage fluctuation characteristics on different forms of interaction and provide important theoretical contributions and managerial implications in terms of user interaction on video sharing platforms.

Short-form videos have gradually become important marketing tools for tourist destinations. However, chaotic sources and homogenized content have led to poor user experiences. Taking Kulangsu and Xi'an City Wall in China as examples, this study explored the influence of matching short-form video sources with destination types on user engagement and visit intention.

This study selected three short-form videos from different sources for each destination on TikTok and conducted an empirical research using a 3 × 2 experimental design to examine the proposed research model.

The results showed that the matching effect between short-form video sources and destination types will positively affect user engagement and visit intention. (1) the short-form videos with user-generated content (UGC) or professional user-generated content (PUGC) in hedonic destinations can obtain higher user engagement and visit intention; (2) the short-form videos with professionally generated content (PGC) or PUGC in utilitarian destinations can obtain higher user engagement and visit intention and (3) perceived credibility and perceived usefulness played mediating roles in these interactions.

This study considers short-form video sources as antecedent variables influencing user engagement and visit intention and confirms the matching effect between short-form video sources and tourism destination types. The findings will help researchers and marketers better understand the impact of short-form video on destination marketing.

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.

Many of today’s information and technology systems and environments facilitate inquiry, learning, consciousness-raising and knowledge-building. Such platforms include e-learning systems which have learning, education and/or training as explicit goals or objectives. They also include search engines, social media platforms, video-sharing platforms, and knowledge sharing environments deployed for work, leisure, inquiry, and personal and professional productivity. The new journal, Information and Learning Sciences, aims to advance our understanding of human inquiry, learning and knowledge-building across such information, e-learning, and socio-technical system contexts.

This article introduces the journal at its launch under new editorship in January, 2019. The article, authored by the journal co-editors and all associate editors, explores the lineage of scholarly undertakings that have contributed to the journal's new scope and mission, which includes past and ongoing scholarship in the following arenas: Digital Youth, Constructionism, Mutually Constitutive Ties in Information and Learning Sciences, and Searching-as-Learning.

The article offers examples of ways in which the two fields stand to enrich each other towards a greater holistic advancement of scholarship. The article also summarizes the inaugural special issue contents from the following contributors: Caroline Haythornthwaite; Krista Glazewski and Cindy Hmelo-Silver; Stephanie Teasley; Gary Marchionini; Caroline R. Pitt; Adam Bell, Rose Strickman and Katie Davis; Denise Agosto; Nicole Cooke; and Victor Lee.

The article, this special issue, and the journal in full, are among the first formal and ongoing publication outlets to deliberately draw together and facilitate cross-disciplinary scholarship at this integral nexus. We enthusiastically and warmly invite continued engagement along these lines in the journal’s pages, and also welcome related, and wholly contrary points of view, and points of departure that may build upon or debate some of the themes we raise in the introduction and special issue contents.

Purpose: For contemporary policing, the police–public communication process is one of the most essential elements of law enforcement management. The promotion of police–public relations, police integrity, and police accountability all depend upon effective communication. While ever a challenge for law enforcement agencies, the coming of the COVID-19 pandemic changed substantially the character of both mediated and interpersonal communication between the police and those policed as of 2020.

Methodology/Approach: Building upon the concept of electronic community-oriented policing (E-COP), this chapter proposes an expanded theoretical model of police–public online communication during a time in which in-person contacts are constrained and various forms of mediated communication assume major importance.

Findings: Using a sample of COVID-related police Facebook posts collected between February 1 and May 31, 2020, this chapter illustrates how the expanded E-COP model is helpful in orchestrating an effective police response to a major public health emergency. It also advances the argument that police–public online communication will be not only become widely used during the ongoing COVID-19 pandemic, but will likely become routinized.

Originality/Value: The proposed model also provides practical suggestions for law enforcement agency leaders who endeavor to advance the goals of community-oriented and guardianship-directed policing. Some likely barriers to more effective use of social media are singled out for special attention.

The body of scholarship on YouTube is an expanding area of scholarly inquiry. Existent research indicates that music videos are one of the most salient features of YouTube. Interactionist research about popular music has provided important insights through interviews with fans and audience members; however, this work has yet to examine audience engagement with music videos on YouTube. Using Qualitative Media Analysis, I illustrate how the researcher of popular music can work with user comments collected from YouTube. Thematic understandings largely consistent with nostalgia that emerged from an analysis of user-generated comments in response to selected music videos on YouTube are explored. I conclude by suggesting some directions for future research.