There may be nothing on Earth more overexposed than The DaVinci Code, and that presented a unique marketing challenge for the folks behind the movie version of Dan Brown’s bestseller. How, after all, do you sell a suspense film when the entire world already knows what’s going to happen? The answer may be to abandon traditional marketing altogether, and court the controversy that seems to follow DaVinci around. “The fiendishly clever part? Convincing us the ensuing publicity is merely a series of random events.”