Just when physicians thought it was safe to start investing in electronic medical records systems, Microsoft may be changing the ground rules altogether.  On October 4, 2007, Microsoft took a giant leap into the health information arena by announcing the launch of it’s new web site "HealthVault".  According to the web site, HealthVault will serve as a secure electronic repository for where patients can "collect, store, and share" their health information with their physicians and other treating providers.   Data accuracy and privacy issues aside, a national shared electronic health record may not be so far off!