This second edition explores the relationship between politics and media, with a particular emphasis on the significant disruptive changes to media and technology that have faced journalists, campaigners, and the public in recent years. The first edition, in 2014, described the earliest elements of social and online media: Web 2.0, the ‘information economy,’ and the changes from traditional broadcast media to the early online world. With the rise of TikTok, the ‘fake news’ claims of Donald Trump, the decline of local news, and the anti-democratic impulses that drove the January 6,...