On Nov. 17, Casino Royale, the 21st film in the series, will be joining a $3.2 billion box office juggernaut spanning the Bay of Pigs to the Iraq War. And despite sweeping social and geopolitical changes over the years -- least of all the end of the cold-war spy era -- the Bond films, like the man himself, seem indestructible. How? Just as 007 relies on nifty gadgets to beat the odds, the films themselves are armed with a secret weapon: branding.