Around the world, health agencies and regular folks are wondering what to do as the specter of a potential swine flu epidemic becomes more ominous. In Mexico, people are getting creative with their face masks. The Ad Lab wonders how long it will be before mask-vertising becomes widespread. After all, it’s already been done. With the CDC recommending alcohol-based hand sanitizers to reduce the spread of the flu, promotional hand sanitizer may be a popular promo in the coming months. Hopefully not global pandemic-popular, though.