We study how the structure of social media networks and the presence of fake news might affect the degree of misinformation and polarization in a society. For that, we analyze a dynamic model of opinion exchange in which individuals have imperfect information about the true state of the world...

We consider a general model of boundedly rational opinion formation in social networks. We show that long run opinions are extremely vulnerable to unilateral subtle manipulation. For a given updating system, any agent can drive the long run opinions of all agents to an arbitrary desired opinion,...

“Trade Unions on YouTube provides a much-needed assessment of how old social movement actors employ new social media platforms to promote themselves and their activities today. A must-read for trade unions scholars and activists alike, this book illustrates how, in the age of digital media,...

Authored by Katharine M. Donato, Lisa Singh, Ali Arab, Elizabeth Jacobs and Douglas Post, this Migration Research Series paper builds on prior studies of migration misinformation by analysing Twitter conversations in Spanish, the fourth most widespread language in the world. The paper assesses...

1. Identify the problems : social media and public relations -- 2. "Don't do anything stupid" : social media affordances, policies, and governance agendas -- 3. Create yourself : corporate identity for interconnected publics -- 4. Speak the truth : transparency, power/knowledge, and authenticity...