Have you noticed any Britney Spears stickers on the subway or sidewalk recently? The simple black & white design is littering the city, and it's not part of Brit's plan to gain some street cred. Author Tao Lin has his interns putting them up as a promotional tactic for his new book. Psychopedia recently asked him about the origins of the idea:On gmail chat I said something like, "I should make stickers that say BRITNEY......