A tipster in Hell's Kitchen writes in to say that marketers for allergy medicine Zyrtec have been tearing down fliers in her neighborhood and replacing them with fake guerilla-style advertisements for their product. The worst part? "Yesterday there was a flyer for a missing kitten here, apparently they took it down and put this ad up." They are endangering kittens in order to make money. Simply despicable. Below, a picture of the fiendish ad—do not be taken in by its similarity to a flier offering guitar lessons.