TikTok has become an enormously influential medium that reaches over one billion people worldwide. Having control over its algorithm or content moderation means the ability to set the terms of global debate and decide what people see. And what they don’t. by Alan Macleod Part 4 - Serious business Readers who consider TikTok little more than a fun app to watch short videos of people dancing are behind the times. From a modest beginning, it has exploded in popularity, growing exponentially from 85 million global users in early 2018 to 1.2 billion by late 2021 (with a similar monstrous growth in revenue to boot). It is exceptionally popular among the younger generations. The 2021 Reuters Institute Digital News Report found that 9% of people aged between 18 and 24 worldwide had gone to TikTok to get news over the past week, while 31% of that age group used the app in that period (and therefore likely passively consumed news to some extent). Furthermore, it has a very loyal user...