I think that the health care industry is so complex that it doesn't necessarily start with a single killer app. You go back to the early days of the personal computer--when I joined the industry, we really didn't know what the killer app was going to be. All we knew was that it was going to be possible to create very low-cost, shrink-wrapped applications. It wasn't for several years until we understood that electronic spreadsheets, word processors, and eventually desktop publishing would become killer apps.
So the intimidation of technology is no longer the issue now that it was just a few years ago.
allows for maintenance of the doctor-patient relationship by minimizing the attention paid to the laptop computer inevitably and uncomfortably sitting between a physician and patient when using the point-and-click method
The same is true with other healthcare technology that can interfere with the clinician-patient interaction. As John Sculley said: "You combine those conditions and it creates an opportunity for entrepreneurs to come in and find disruptive solutions."