Science rarely proceeds beyond what scientists can observe and measure, and sometimes
what can be observed proceeds far ahead of scientific understanding. The twenty-first …

Governments may have the capacity to flood social media with fake news, but little is known
about the use of flooding by ordinary voters. In this work, we identify 2107 registered US …

The social media platforms of the twenty-first century have an enormous role in regulating
speech in the USA and worldwide. However, there has been little research on platform-wide …

In the absence of clear, consistent guidelines about the COVID-19 pandemic in the United
States, many people use social media to learn about the virus, public health directives …

As an integral component of public discourse, Twitter is among the main data sources for
scholarship in this area. However, there is much that scholars do not know about the basic …

Twitter users signal social identity in their profile descriptions, or bios, in a number of
important but complex ways that are not well-captured by existing characterizations of how …

Following the 2020 general election, Republican elected officials, including then-President
Donald Trump, promoted conspiracy theories claiming that Joe Biden's close victory in …

Social media data offer a rich resource for researchers interested in public health, labor
economics, politics, social behaviors, and other topics. However, scale and anonymity mean …

Around seven-in-ten Americans use social media (SM) to connect and engage, making
these platforms excellent sources of information to understand human behavior and other …

Studies of gendered phenomena online have highlighted important disparities, such as who
is likely to be elevated as an expert or face gender-based harassment. This research …