Over the last decade, social media has come to influence hu-man lives in a manner that is
unprecedented in its scale and magnitude. Of course, medicine has not been left untouched …

The inherent nature of social media content poses serious challenges to practical
applications of sentiment analysis. We present VADER, a simple rule-based model for …

The practice of sharing family photographs is as old as the camera itself. Many mothers now
share baby photos online, yet little is known about what kinds of baby photos they share and …

The anti-vaccination movement threatens public health by reducing the likelihood of disease
eradication. With social media's purported role in disseminating anti-vaccine information, it is …

Longitudinal studies in HCI research have the potential to increase our understanding of
how human–technology interactions evolve over time. Potentially, longitudinal studies …

This article explores Facebook unfriending during the Israel–Gaza conflict of 2014. We
suggest that politically motivated unfriending is a new kind of political gesture. We present …

Many real world, complex phenomena have underlying structures of evolving networks
where nodes and links are added and removed over time. A central scientific challenge is …

In online social media systems users are not only posting, consuming, and resharing
content, but also creating new and destroying existing connections in the underlying social …

The users of microblogging services, such as Twitter, use the count of followers of an
account as a measure of its reputation or influence. For those unwilling or unable to attract …

Purpose Pro–eating disorder (ED) online movements support engagement with ED lifestyles
and are associated with negative health consequences for adolescents with EDs. Twitter is a …