Citizen Marketing is where we catalog our favorite baby-Banksy agit-prop defacements of public advertising campaigns. Please send your own Citizen Marketing to tips@videogum.com. THE REVOLUTION WILL BE TUMBLR'D! (via PosterBoyNYC) This is easily my favorite Citizen Marketing thus far, because it's true. BBQ is yummy! I guess ancient sand demons have a different concept of what BBQ is about, because ...