Dave Eggers’ new book, a dystopian fantasia about social media, is excerpted in the NYT Magazine this weekend. The mag’s editor, Hugo Lindgren, gushes about how the book walks “the line between satire and bracing details that feel all too real” — but the fact is that, at least judging by the excerpt, Eggers strays so far away from verisimilitude that his book barely even feels like satire. Instead, Eggers is preaching to a group of people which has already made up its collective mind that social media is dangerous, and who love to one-up each other when talking about where the slippery slope might lead.