The great thing about Twitter is the way it allows corporations and nobodies to auto-clown in public in the same forum. Imagine picking up Saturday Evening Post in 1935, and there’s a big beautiful ad for a car, or a cigarette, or a bus trip. The height of the advertising craft, with a gorgeous illustration, elegant typefaces unique to the ad, attractive people engaged in the joy of the moment, all cares set aside. Directly across from the ad is a 27-word manifesto from Bob0323423 about how all pencils should be registered with the State.“That’s impossible,” you say. “Bob couldn’t...