>>katie angotti: right now it's kind of a combination.now they're just testing tomake sure that the technology works and can drive . can drive safely and can navigate city streets that's really what the focus is , kindof right now , but there are other companies that are doing research and are testing out some disability access features. but it's not a requirement. some companies art, some companies are just testing driving to make sure they get that down before they expand what theyare testing . >>alex madrid: okay. so my next question is this one last question is people with disabilities have different needs and i didn't see anything about deaf or hard of hearing and people will have an impairment, how does we know if there is some information in that? >>katie angotti: why i didn't call it out specifically, that is certainly included in the issues that i raised. so like human machine interface, the application was being used as someone needs to consider a range of disabilities so like low vision, hard of hearing or death, people with co