Citizen Marketing is where we catalogue 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! (thanks to Gabe for the tip!) Ah, the classic cut out the one face to reveal another face beneath. Citizen Marketing 101. Who is that? Andre Agassi? And what is Deion & ...