mo zell trying to get to actually a sort of various versions of us, not closing us but looking like us. and the people who route -- wrote the final days of law they are trying to give the country like it would function in that way. so now the rest of the world is trying to figure out how to headache advantage of that. they help create the business model of what's an a.c.o. thrive. it's going to be a very early thing. the plark, how do you? i'm interested how aetna picks us this issue of this relationship. is ate strategic -- is it a strategic thing? >> the structure and the mechanism payings well but it's just been difficult to get that many dole scale anywhere else. and so our approach has been how do we find the scaleable model? how do we anyn't about retro fitting? the current system to impact what we have in the united states in a way to gap towards the model that george has innology california. that's a big task i would argue that in countries of china and industry, you have a bet -- things that are retro invited and a whole host of other things we have the sandyus. we're literall