and i think a useful analogy is one put out by ann cornun and popularized by james woolsey in a co-authored article using an algae of salts which used to be a strategic commodity. wars were fought over it ever since the invention of agriculture, salt was fundamental to energy, energy of human beings because it was the only way to preserve food. the reason why today salt is not a strategic commodity, we don't care who has the power over salt trade. we don't fight wars over it. it's not because a substitute for salt was found. it's not because we mine more salt in the united states. it's because we discovered an alternative to that energy preservation. is salt was used to preserve food. we now have lots of other ways to preserve food and most importantly refrigeration. so that alternative of managing energy is the kinds of innovations we've been thinking about. what's an alternative way to deal with oil for transportation? because that is what we fundamentally need. lots of interesting innovations out there. there are two companies i'm involved in, solazime, a company converting sugar to -- d