Social networking services (SNS) like Facebook are used by an increasing number of people worldwide for social exchange. Given the amount of time that is spent on these online services, they are likely to have an impact on how individuals interact with each other. On this note, anecdotal examples emphasize both positive (i.e., expanding or strengthening relationships) and negative effects (i.e., bullying, feelings of disconnectedness). To shed more light on this issue, scholars from various disciplines have started to investigate the significance of social networking services on interpersonal relationships and on how individuals might experience benefits on the one hand, or face challenges through the use of online services on the other hand [1, 2]. One research interest that has gained significant attention in recent years is the analysis of effects that social networks may have on the quantity and quality of interpersonal online social support in different contexts. [... from the introduction]

Social networking services (SNS) like Facebook are used by an increasing number of people worldwide for social exchange. Given the amount of time that is spent on these online services, they are likely to have an impact on how individuals interact with each other. On this note, anecdotal examples emphasize both positive (i.e., expanding or strengthening relationships) and negative effects (i.e., bullying, feelings of disconnectedness). To shed more light on this issue, scholars from various disciplines have started to investigate the significance of social networking services on interpersonal relationships and on how individuals might experience benefits on the one hand, or face challenges through the use of online services on the other hand [1, 2]. One research interest that has gained significant attention in recent years is the analysis of effects that social networks may have on the quantity and quality of interpersonal online social support in different contexts. [... from the introduction]