“At the end of that Roger Ebert essay, he says he decided to force himself to do the reading that he knew, deep down, his brain wanted and needed. When he gave himself the proper literary diet (and found a room in the house where his Wi-Fi connection failed), “I felt a kind of peace. This wasn’t hectic. I wasn’t skittering around here and there. I wasn’t scanning headlines and skimming pages and tweeting links. I was reading. . . . Maybe I can rewire my brain, budge it back a little in the old direction.”