Werner Herzog’s film is a series of whimsical raids on the ironies of life online.Illustration by Leandro Castelao To make a documentary about the Internet requires nerve. To do so when you can hardly be bothered with a cell phone, however, takes both innocence and bravado, plus a pinch of madness. All of which means that Werner Herzog, now aged seventy-three, is right for the job, and the result