As smartphones have become indispensable personal devices, the number of smartphone
users has increased dramatically over the last decade. These personal devices, which are …

Alzheimer's Disease (AD) represents a major and rapidly growing burden to the healthcare
ecosystem. A growing body of evidence indicates that cognitive, behavioral, sensory, and …

Understanding how people use technology remains important, particularly when measuring
the impact this might have on individuals and society. However, despite a growing body of …

Highlights•Smartphone Sensing Methods (SSMs) permit continuous and real-time
behavioral observation in the context of people's daily lives.•SSMs provide objective …

Ageism is the most invisible form of discrimination. While there is some awareness of
gender, racial, and socioeconomic discrimination on digital platforms, ageism has received …

With the prevalence of smartphones, people have left abundant behavior records in
cyberspace. Discovering and understanding individuals' cyber activities can provide useful …

Understanding smartphone users is fundamental for creating better smartphones, and
improving the smartphone usage experience and generating generalizable and …

The prevalence of smartphones has promoted the popularity of mobile apps in recent years.
Although significant effort has been made to understand mobile app usage, existing studies …

Abstract The Experience Sampling Method is widely used to collect human labelled data in
the wild. Using this methodology, study participants repeatedly answer a set of questions …

In this paper we present the first population-level, city-scale analysis of application usage on
smartphones. Using deep packet inspection at the network operator level, we obtained a …