The diploma thesis is focused on the social networking sites in terms of their use for increasing the competitiveness of companies. The first part deals with a theoretical introduction to social networks where the basic concepts are defined and then characterized by major networks globally. Each social network is analyzed both in terms of the structure of its users, and are listed as individual options, which provides for promotion within their system - they are mentioned both paid and unpaid opportunities. At the end of this section are described the general possibilities of using social networking for business - ways to measure the impact of these activities, risks and requirements of their operation within the company. The second part is a practical solution to use social networks to support the selected e-commerce business. The introduction provides basic parameters of the e-shop is defined by the competitive environment. The analysis carried out various solutions to various social networks. It is designed and implemented their own social network to the target audience the company. The practical part ends with a final report including recommendations for further progress in the use of social networks. The main contribution of the paper is to present a detailed analysis of selected enterprise communication on social networks, including putting all the relevant data from which the conclusion can be drawn in specific recommendations to further enhance competitiveness.

with which results. Through the analyses of data collected from Facebook's profiles of regional

The presented thesis aims to analyze the impact of social networking sites (SNS) in shaping our identity. Especially in the context of changes in everyday life caused by significant increase of SNS users. Unlike previous forms of online identity the identity of SNS users is anchored in the reality. Therefore our identity performance in this environment is closely tied to our real identity and real social network. Part of the thesis describe the influence of real social network on our lives, particularly the strong of weak ties is discussed. The analysis is focused on the processes and forms in which is our identity constructed and manifested within social networking sites. Detailed consideration is aimed on narrative and fragmentary characteristics of such identity. Also the consequences of total indexing of user-generated content and its persistent features are examined. This topic is followed by setting the framework of reputation management and protection of personal data. The findings of research present the forms of user identity on Facebook, the use of privacy settings and in particular the importance of the size of the networks of friends. The relationship between socialization in SNS and in the real world is described.

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The social web has emerged concurrent with a decline in Americans' community involvement and number of close friendships. Hundreds of millions of people connect online, but they appear to have fewer confidants and trust each other less. However, contrasting research finds that web users have better social integration and stronger relationships than their offline counterparts. This thesis resolves these contradictory views through a detailed examination of social network site (SNS) use and changes in relationships and individual well-being. The research is conducted at multiple levels looking at how different types of SNS use—direct interaction with others and more “passive consumption” of social news—influence the number and quality of individuals’ social ties and their aggregate social capital and well-being, including perceived social support, happiness, and physical health. The studies combine objective measures of SNS use (communication activity from the server logs of a popular social networking site) with self-reports of tie strength and well-being to accurately differentiate types of use with different partners. Longitudinal methods reveal how well-being changes over time with SNS use and are moderated by personal characteristics such as social communication skill and recent job loss.

This study focuses on the use of Social Network Sites (SNSs) and certain personality rights (specifically the right to privacy and the right to identity) that may be infringed by this use. The study also discusses data protection law as the protection of the rights to privacy and identity are interlinked with data protection in that data protection assumes importance when there is processing of personal information on SNSs. The study seeks to determine whether South African law provides adequate protection for the interests that form the object of these personality rights, and highlights certain shortcomings, particularly in the context of SNSs. It also suggests solutions where there are shortcomings by learning from other jurisdictions. Related issues investigated are: who should be held responsible for the user-generated content uploaded on SNSs; the role of the Internet Service Provider (ISP); and how to deal with anonymous defendants. / Private Law / LL. M.

This study examined the level of trust of information on social media. Specifically, I investigated the factors of performance expectancy with information-seeking motives that appear to influence the level of trust of information on various social network sites. This study utilized the following theoretical models: elaboration likelihood model (ELM), the uses and gratifications theory (UGT), the unified theory of acceptance and use of technology model (UTAUT), the consumption value theory (CVT), and the Stimulus-Organism-Response (SOR) Model to build a conceptual research framework for an exploratory study. The research investigated the extent to which information quality and source credibility influence the level of trust of information by visitors to the social network sites. The inductive content analysis on 189 respondents’ responses carefully addressed the proposed research questions and then further developed a comprehensive framework. The findings of this study contribute to the current research stream on information quality, fake news, and IT adoption as they relate to social media.

Modeling the "thick description" of photographs began at the intersection of personal and institutional descriptions. Comparing institutional descriptions of particular photos that were also used in personal online conversations was the initial phase. Analyzing conversations that started with a photographic image from the collection of the Library of Congress (LC) or the collection of the Manchester Historic Association (MHA) provided insights into how cultural heritage institutions could enrich the description of photographs by using informal descriptions such as those applied by Facebook users. Taking photos of family members, friends, places, and interesting objects is something people do often in their daily lives. Some photographic images are stored, and some are shared with others in gatherings, occasions, and holidays. Face-to-face conversations about remembering some of the details of photographs and the event they record are themselves rarely recorded. Digital cameras make it easy to share personal photos in Web conversations and to duplicate old photos and share them on the Internet. The World Wide Web even makes it simple to insert images from cultural heritage institutions in order to enhance conversations. Images have been used as tokens within conversations along with the sharing of information and background knowledge about them. The recorded knowledge from conversations using photographic images on Social Media (SM) has resulted in a repository of rich descriptions of photographs that often include information of a type that does not result from standard archival practices. Closed group conversations on Facebook among members of a community of interest/practice often involve the use of photographs to start conversations, convey details, and initiate story-telling about objets, events, and people. Modeling of the conversational use of photographic images on SM developed from the exploratory analyses of the historical photographic images of the Manchester, NH group on Facebook. The model was influenced by the typical model of Representation by Agency from O'Connor in O'Connor, Kearns, and Anderson Doing Things with Information: Beyond Indexing and Abstracting, by considerations of how people make and use photographs, and by the notion of functionality from Patrick Wilson's Public Knowledge, Private Ignorance: Toward a Library and Information Policy. The model offers paths for thickening the descriptions of photographs in archives and for enriching the use of photographs on social media.

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