The "hotties" security site HotCaptcha.com, for example, blends plain and exceptionally good-looking people from the Web site "Hot or Not" with a spam-defying secure password box--pick the good-looking people (something computers can't yet do) and you prove you're a person, not a spam software program.

FORBES: Magazine Article

We are not in the interest of spamming, or promoting or endorsing spam content.

FORBES: Digg Manipulator RasiFranks Responds

At the center of the antispam effort is a small Redwood City, Calif. not-for-profit organization called Mail Abuse Prevention System or MAPS (spam spelled backwards).

FORBES: Spam Warfare