For most of advertising history, “red” or “blue” as partisan loyalty signaled more your taste for Coke or Pepsi than your identity as Republican or Democrat. Mass markets, by definition, necessitated selling to both sides of the aisle.
Nilay Patel, the editor-in-chief of the digital technology publication The Verge, has lately taken to describing theverge.com as “the last Web site on earth.” It’s kind of a joke—there are, of course, tons of Web sites still in existence, including the likes of Facebook.com—but also kind of not a joke.