Prior research indicates that many people wish to limit aspects of their smartphone use. Why
is it that certain smartphone use feels so meaningless? We examined this question by using …

We report on a 10-month in-the-wild study of the adoption, engagement and discontinuation
of an activity tracker called Habito, by a sample of 256 users who installed the tracker on …

Notifications are one of the core functionalities of smartphones. Previous research suggests
they can be a major disruption to the professional and private lives of users. This paper …

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

Digital intervention tools against problematic smartphone usage help users control their
consumption on smartphones, for example, by setting a time limit on an app. However …

Recent research reveals over 70% of the usage of physical activity trackers to be driven by
glances--brief, 5-second sessions where individuals check ongoing activity levels with no …

Recent industrial and academic research has focused on data-driven analytics with
smartphones by collecting user interaction, context, and device systems data through …

Understanding mobile app usage has become instrumental to service providers to optimize
their online services. Meanwhile, there is a growing privacy concern that users' app usage …

Alcohol use in young adults is common, with high rates of morbidity and mortality largely due
to periodic, heavy drinking episodes (HDEs). Behavioral interventions delivered through …

Recent advances in artificial intelligence (AI) enabled digital assistants to evolve towards
proactive user support. However, expectations as to when and to what extent assistants …