Two major consumer brands recently courted controversy with risky advertising campaigns – Pepsi with its depiction of the lone calorie in its Pepsi Max committing suicide, and Burger King's quest to find “virgin” Whopper eaters in developing countries.

While the Pepsi Max ad only ran in a German publication, it was duplicated online, and some, including the American Foundation for Suicide Prevention, criticized the soft-drink maker for its insensitivity. Pepsi pulled its ad, but Burger King's “Whopper Virgins: The World's Purest ...