so for example if you don't have the triright to control or corr data you can imagine asking for greater effort to ensure the correctness of the data as it is. or extra safe guards ex post regarding the possibility of error. >> thank you. >> did you select -- >> very briefly. >> part of what i with a struggling with is how much are we giving up on this collection which i'm not quite willing do in collection and wanting to go back to that issue of survey le lens and control of information. i still want go back and look at something i haven't thought about enough. so i want to look at, we see it all the time on the hill, so i want to go back and look at privacy. it sound to me like the best approach is -- [ inaudible ] but i want to remark -- [ inaudible ] >> i'm glad to see latest submissions to any of the panelists. before we go on, beth cook's question, i want to remind the audience, if you have any questions, write them down and bring them up to me and then i will -- okay. they are coming. good to know. >> thank you all for what i thought to be a very, very interesting panel. and i hop