It seems near impossible to create a service in this space that is both general purpose and also usable enough to get the kind of adoption that a company the si

It seems near impossible to create a service in this space that is both general purpose and also usable enough to get the kind of adoption that a company the size of Apple needs to justify its involvement. So I'm really eager to see what Apple has come up with, and how it's going to be different from Microsoft HealthVault, Google Health, RunKeeper's HealthGraph, and Samsung's SAMI.