remember, oil, destin iranian cardoza commodities. what happens when you create demand for commodity? the price goes up. the cell phone, solar cells, those are technology. what happens when you create demand for technology? price goes down. you know that from your iphone. i love johns hopkins. come back a year later and i say jessica, how did that cellphone workout? tom, it changed my life. i've been raising money out the walls -- wazoo. cds lights? i'm going to power them with solar energy on the roof of the building. but it's going to cost you $100 more money. what? what would jessica say? she would say tom, tom. remember the cell phones you sold me? it changed my life and gave me new functions i never had before. it was great. tom, you spoke in this auditorium twice coming and you know we already have flights flights. [laughter] we don't care where the photons and electrons come from so unless the mayor of d.c. comes along and says from now want you are going to pay the full cost of those lights come you're going to pay the cost of