Americans like to associate their spam with other countries. They joke about Chinese spammers or Nigerians or Russians. It's a time-honored nativist tradition. But, according to the new quarterly report from the security and spam monitoring company, Sophos, computers inside these United States relay—by far—the most spam. And we have in every quarter of the past year.

Most people can probably remember the moment when they first realised the seductive power and global pervasiveness of American culture.