Regulating AI is going to be hard but big tech transparency is key

IT IS increasingly obvious that we are on the cusp of a revolution in artificial intelligence that will be no less profound than the arrival of the printing press or the internet, as we explore in this special issue. Nobody can say for sure exactly what this future will be, but optimists – including many of those working in the companies behind the technologies – foresee one in which AI will allow us to live our best lives (see "How this moment for AI will change society forever").