Junk e-mail has become a major aggravation for many Internet users. The unwanted electronic pitches for pornography and get-rich schemes are clogging peoples' e-mail inboxes.
What makes junk e-mail or "spam" especially annoying is that the senders are usually unidentifiable, shadowy businesses that are nearly impossible to track down.
But as NHPR correspondent Brian McWilliams found, sometimes the source of a junk email message is a company right around the corner.
