An A-Z guide on how we stay informed in the era of fake news, from former Guardian Editor-in-Chief Alan Rusbridger. From AI to Bots, from Climate Crisis to Fake News, from Clickbait to Trolls (and more), here is the definitive user's guide for how to stay informed, tell truth from fiction and hold those in power accountable in the modern age. What to believe in a fake news world.