Good Piece on 5 Executed Viral Marketing Campaigns

Norwegian blogger Lars-Christian has a great post highlighting "5 Successfully Executed Viral Marketing Campaigns". The campaigns mentioned are Coca-Cola Zero, Batman - The Dark Knight movie, I Love Bees (Halo 2 video game), Radiohead's self album online release, and Hotmail. Click here to read Lars-Christian's posting and get some details on those campaigns.