I have the Washington Post from Jan 1, 2000. Below the fold is an article on what the future would hold tech-wise for a child born that day. By 2010, we were all supposed to be wearing wristbands with all of our medical information on it, so doctors would simply have to scan them to gain our history. We also wouldn't have cheap (meaning not thousands upon thousands of dollars) mobile computers with the ability to acc…
What is stopping something like the medical wristband thing? Nobody would wear a bracelet like that, but why not an RFID card? That seems like a great idea. What would it take to start something like that?
+ People don't know how good it would be until it's actually used, so adaption would be slow.
+ No real financial gain- health providers just add the cost of bureaucracy into the bill.
So yes, it would be cool/useful, but there's not exactly a huge need for it (and many potential problems).