In any supermarket chain, some things are easy to find. Apples. Milk. Bread. But if you're looking for flaxseeds? Coconut milk? Prunes? Who among us has not felt the stirrings of super-market rage as we crisscross the fluorescent-lit maze of shelves, our shopping carts banging together as we search for a single palatable salami? This is a problem good marketing can solve.