if you are  not eligible to be put in if you don't have a motor car then you're discounting an enormous number of people who may have motorcycles or motor caravans or, you know, something which is perfectly valid but it invalidates the information that you think you are getting out of the file because you only put in  certain  perfectly reasonable, groups of er of things and i in, in, in boots there's a, there's a er there's a  a wonderful expression or   actually is, is the one i'm particularly thinking about, you know we, we sell  shall we say a million bottles of aspirin a year, it is in fact considerably more than that, and that is perfectly reasonable and valid and  mm  but  in the definition of that we obviously only included what boots the chemists sold because that's all the people who