Economies of Scale in the Spam Business - washingtonpost.com

"Barak Obama Is on the Verge of Death!"This header on a piece of pre-election spam had credibility problems (spelling the candidate's first name correctly might have helped), but it got people's attention. It was one of a slew of junk-mail blasts that used campaign-related topics to trick unwary readers into open­ing the message. This particular missive carried an image that, when clicked, jumped credulous recipients to an online pharmacy site.

Economies of Scale in the Spam Business - washingtonpost.com