Well, cement trucks and health care used to have a lot in common. Now all of that has changed. Cement plants have a market that is determined by the time it takes for special trucks to transport wet cement and get it in place before it sets. We see those cement trucks out on the roads with their spinning cargo bins — and all of them are bound to a local, pre-defined geography. It was also once true that health care was delivered in much the same way as cement in trucks within a limited radius of transport. But digital technology has begun to change all of that.

The first big change came in radiology ,now Cardiology. Back in the day of actual films, groups of radiologists could hold local markets captive. Film transport was cumbersome, and considerable resources in real estate and personnel were devoted to storage, cataloging, and retrieval. It all changed with digital images. These…