We live in a world of internet optimism. A world in which search engines can make us smarter, social media can make us more social, and information freedom could one day make us more free. Beyond our rose-tinted glasses, a very different picture has started to emerge. Digital disruption has grown synonymous with job cuts and the decline of industry. Social media has been infiltrated by cynicism and cyberbullying. Crowdsourcing and citizen journalism have given way to groupthink, misinformation and the proliferation of spin. The dream of information freedom has been replaced with a culture of...