Malicious actors create inauthentic social media accounts controlled in part by algorithms,
known as social bots, to disseminate misinformation and agitate online discussion. While …

During the COVID-19 pandemic, when individuals were confronted with social distancing,
social media served as a significant platform for expressing feelings and seeking emotional …

This study aims to explore social bots' role in online climate change discussions. By
analyzing 491,279 climate-change-related tweets, we found that social bots were actively …

Background JUUL—a novel electronic nicotine delivery system (ENDS)—comprises most of
the ENDS market share. Additionally, JUUL has a high nicotine content and utilizes a …

Background Dry January, a temporary alcohol abstinence campaign, encourages
individuals to reflect on their relationship with alcohol by temporarily abstaining from …

Background Cultural trends in the United States, the nicotine consumer marketplace, and
tobacco policies are changing. Objective The goal of this study was to identify and describe …

Artificial intelligence is already ubiquitous, and is increasingly being used to autonomously
make ever more consequential decisions. However, there has been relatively little research …

Venmo is a US-based mobile social payments platform. Each Venmo transaction requires a
“payment note”, a brief memo. By default, these memos are visible to all other Venmo users …

Introduction This study explores sponsored tobacco advocacy messages on Facebook and
Instagram by:(1) Examining differences in message performance metrics, funding sources …

Introduction A holistic public health surveillance approach can help capture the public's
tobacco and marijuana-related attitudes and behaviors. Using publicly available data from …