Home care workers (HCWs) provide essential care in patients' homes but are often underappreciated and work in stressful and isolated environments with diverse and intersecting support needs. This paper describes a computer-mediated peer support program that centers around sharing circles: …

In Cameroon, no exam is more important than the baccalauréat, which serves as the gateway to professional and higher-education aspirations. We build on existing literature on practice tests to evaluate how SMS-based quizzes could help students prepare for the baccalauréat. We find that students …

We created a system to send regularly-spaced, multiple-choice questions to students' own mobile devices to help secondary school students in Cameroon with exam practice via either SMS or WhatsApp. Students' participation rates were heavily impacted by trust in the intervening organization and …

We present an SMS-based system for providing transit information based solely on existing cellular and GPS networks. We developed and applied our system to privately-run marshrutka buses in Bishkek, Kyrgyzstan. However, our goal is to more broadly address issues of ad-hoc shared transportation …