Russian Disinformation, Five Years Later -- Psychological Inoculation AgainstMisinformation -- Computational Challenges and Recent Advancements in Automated Fake News Detection -- Explanatory Gap in Algorithmic News Curation -- Examining Linguistic Biases in Telegram with a Game Theoretic Analysis -- Identifying Topical Shifts in Twitter Streams: An Integration of Non-Negative Matrix Factorisation, Sentiment analysis and Structural Break Models for Large Scale Data -- Is YouTube still a Radicalizer? An Exploratory Study on Autoplay and Recommendation -- Understanding the Impact of and Analysing Fake News about COVID-19 in South Africa -- A Study of Misinformation in Audio Messages Shared in WhatsApp Groups -- Hide and seek in Slovakia: utilizing tracking code data to uncover untrustworthy website networks -- The German Comment Landscape: A Structured Overview of the Opportunities for Participatory Discourse on News Websites -- Evaluating the Role of News Content and Social Media Interactions for Fake News Detection.