pak would say, is sort of immediately has to be kelt with. and, similarly, if insurance companies offered those incentives widely and more people install those types of technology in their vehicles, then it would be easy for both the individuals themselves to recognize that there's a problem, as well as for the met data to be collected and provide the kind of information that's needed. there is no reason that that approach that you suggested should be used here. but i think other things can be done, as well. >> i think the challenge to that approach, and i understand the model, but i think the challenge, it's just what we're talking about earlier. that is the difficulty in measuring the roles of drivers in the crash. you have a bac, the physical number and the curfews don't always work, you can see a young person driving around at 2:00 a.m., they're pretty ovts ebvious. i think the challenge in the regulation and the legal is can you measure the outcome. and it's enforceable. and the out come it just seems is going to be quite challenging. an