akirapill writes: FTA:
"In 2006, HIV infections killed as many as 3.5 million people.
But there's hope for wiping out this disease, and it may be sitting in your e-mail inbox right now. Efforts to wipe out unwanted spam e-mails could provide the key to ending the AIDS epidemic. Researchers at computer software giant Microsoft are in clinical trials testing the same technology used to create spam-blocking programs against HIV."