Valentine's is traditionally a day of love and romance, though cynics would call it a money-spinning dream for the producers of flowers and chocolates. Whatever the reasons, chocolate is big business. The latest research from market analysts Datamonitor shows just how much is spent globally on boxed and novelty chocolate, for Valentine's and otherwise. Boxed chocs have always been popular, but novelty chocolates such as body paint or chocolate greeting cards, are getting increasingly popular due to their improved quality.