In 2021 Android phone users around the world spent 16.2tn minutes on TikTok. And while those millions and millions of users no doubt had an enjoyable time watching clips on the addictive social video app, they also generated a colossal amount of data. TikTok collects information on how you consume its content, from the device you are using to how long you watch a post for and what categories you like, and uses that information to fine tune the algorithm for the app’s main feed. For anyone with a passing knowledge of how platforms like Facebook, Instagram and Google function...