diagnosis. mario armstrong yesterday told us in south korea you can be in an ambulance and have an hd link to a doctor who can see what is going on with you. tell me what telemedicine means to us. >> well, that's right. there is a wide variety of applications. it's a new idea that's been around for 60 years. the applications are anything from taking care of someone with a chronic condition who is in their home to looking at somebody who is in the intensive care unit in a hospital on the other side of the country. it is picking up steam. >> we always thought -- i remember thinking, boy, it would be great to do everything by phone. that never really took off. ultimately i don't know whether it was doctors wanting to not misdiagnose people or some kind of an industry lock -- we never really got away from doctors appointments, doctor consultations and face-to-face stuff with doctors. is that really going to change? >> well, it is going to change. of course, one of the things -- a lot of people can talk to their doctor by phone, but if you can't get paid for it,