This air purifier ad from Sharp is a little creepy, in a Spongebob Squarepants way. I love how you can see their fluorescent organelles! Unfortunately I don't see anything here that resembles a virus, but with swine flu all over the news, this serves as a good reminder to wash your hands. Ad by Takho Lau for ad agency M&C Saatchi of Hong Kong. Found via Next Nature