Advancements in information technology often task users with complex and consequential
privacy and security decisions. A growing body of research has investigated individuals' …

Objective Digital nudging has been mooted as a tool to alter user privacy behavior.
However, empirical studies on digital nudging have yielded divergent results: while some …

Voice has become a widespread and commercially viable interaction mechanism with the
introduction of voice assistants (VAs), such as Amazon's Alexa, Apple's Siri, Google …

With the rapid deployment of Internet of Things (IoT) technologies and the variety of ways in
which IoT-connected sensors collect and use personal data, there is a need for …

When you share content in an online social network, who is listening? Users have scarce
information about who actually sees their content, making their audience seem invisible and …

A review of popular technology adoption models identified several factors that are likely to
influence Voice Activated Personal Assistant (VAPA) use in public spaces. To inform design …

There have been many location sharing systems developed over the past two decades, and
only recently have they started to be adopted by consumers. In this paper, we present the …

Abstract Social Network Sites (SNSs) offer a plethora of privacy controls, but users rarely
exploit all of these mechanisms, nor do they do so in the same manner. We demonstrate that …

We study the relationship between Facebook popularity (number of contacts) and
personality traits on a large number of subjects. We test to which extent two prevalent …

Wearable sensors are revolutionizing healthcare and science by enabling capture of
physiological, psychological, and behavioral measurements in natural environments …