volkswagen beetles or toiling over the 4,000 frozen, infected computers that pass through this facility near louisville every day, they all wear the same uniform: white shirts, white socks, and black clip-on ties, a look stephens borrowed from nasa engineers. >> it looks a little weird walking down the street, 'cause people think we're gonna hand out bibles. but when you see, like, 20 of us walk into a bar and start, you know, ordering beers, it looks like an fbi raid. >> he says the biggest complaint about tech support people is rude, egotistical behavior; and the uniform is designed to impart a dose of humility as they work their wizardry. >> there's usually some frantic civilian at the door, pointing at some device in the corner that will not obey, and we've gotta make sense of it. and, you know, hygiene provides bonus points if i don't smell bad. i mean, literally, that was my business plan. just be nice and fix it. >> are people grateful? >> oh, of course. if you look at, like, the focus groups or whatever, people will say, "savior," and, "they saved me," and, "they saved my data." this stuff's ir

but mark rothstein a bioethics professor at louisville, did not sign up. he says wellness programs may lead to better health, but can people trust in the confidentiality of the questionnaires they filled out? >> people who work for employers who perhaps don't have the best record of keeping privacy might well be concerned that the information could filter back to the company and they could be adversely treated. >> not get that promotion. >> exactly. there's a tremendous incentive for employers to try to weed out high-cost healthcare users. 5% of employees represent 50% of healthcare costs. and if you're an employer and can identify who these people are, you can save a lot of money to your bottom line. >> which is what this is all about. countless companies like quaker oats, johnson & johnson honeywell, motorola, and ibm claim to have saved millions after instituting wellness programs. but all that good health might not necessarily make for the best workforce. the city of north miami, florida, used to require that all its new police officers be non-smokers.