One of the major components of my guest professorship at the University of Zürich in late 2022 was to develop and deliver a one-off undergraduate course on gatewatching and the continuing transformation of journalism as a result of the impact of social media, from the early days of blogs and citizen journalism to the present. This builds on my 2018 book Gatewatching and News Curation: Journalism, Social Media, and the Public Sphere. I also took the opportunity to augment the book's contents with a handful of additional lectures on topics such as 'fake news', fact-checking, 'filter bubbles', and the …