The impending — or so it’s seemed — launch of Google Health has spurred any number of comparisons, invidious and otherwise, to Microsoft’s flashier but ultimately disappointing launch of HealthVault last October.

Now that Google has finally announced its first big health project with the Cleveland Clinic, though, it’s far from clear exactly how its platform is going to address nagging privacy issues and the fundamental question of how much control patients will have over their records. We unpack the Google Health announcement over at VentureBeat Life Sciences.